Search a number
-
+
158143104 = 273472179
BaseRepresentation
bin10010110110100…
…01001010000000
3102000120111120000
421123101022000
5310441034404
623405320000
73630123420
oct1133211200
9360514500
10158143104
11812a4289
1244b66000
13269c0502
1417008480
15dd3c339
hex96d1280

158143104 has 160 divisors (see below), whose sum is σ = 538111200. Its totient is φ = 45163008.

The previous prime is 158143103. The next prime is 158143123. The reversal of 158143104 is 401341851.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158143103) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 71487 + ... + 73665.

It is an arithmetic number, because the mean of its divisors is an integer number (3363195).

Almost surely, 2158143104 is an apocalyptic number.

158143104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158143104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269055600).

158143104 is an abundant number, since it is smaller than the sum of its proper divisors (379968096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158143104 is an equidigital number, since it uses as much as digits as its factorization.

158143104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212 (or 2191 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 158143104 is about 12575.4961731138. The cubic root of 158143104 is about 540.7751829700.

Adding to 158143104 its reverse (401341851), we get a palindrome (559484955).

The spelling of 158143104 in words is "one hundred fifty-eight million, one hundred forty-three thousand, one hundred four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 81 84 96 108 112 126 128 144 162 168 189 192 216 224 252 288 324 336 378 384 432 448 504 567 576 648 672 756 864 896 1008 1134 1152 1296 1344 1512 1728 2016 2179 2268 2592 2688 3024 3456 4032 4358 4536 5184 6048 6537 8064 8716 9072 10368 12096 13074 15253 17432 18144 19611 24192 26148 30506 34864 36288 39222 45759 52296 58833 61012 69728 72576 78444 91518 104592 117666 122024 137277 139456 156888 176499 183036 209184 235332 244048 274554 278912 313776 352998 366072 411831 418368 470664 488096 549108 627552 705996 732144 823662 836736 941328 976192 1098216 1235493 1255104 1411992 1464288 1647324 1882656 1952384 2196432 2470986 2510208 2823984 2928576 3294648 3765312 4392864 4941972 5647968 5857152 6589296 7530624 8785728 9883944 11295936 13178592 17571456 19767888 22591872 26357184 39535776 52714368 79071552 158143104