Search a number
-
+
158344470 = 2345233839
BaseRepresentation
bin10010111000000…
…10010100010110
3102000221201210000
421130002110112
5311014010340
623413512130
73631622454
oct1134022426
9360851700
10158344470
11814215a9
1245042646
1326a6106b
141705b9d4
15dd7bd30
hex9702516

158344470 has 80 divisors (see below), whose sum is σ = 428107680. Its totient is φ = 41993856.

The previous prime is 158344453. The next prime is 158344481. The reversal of 158344470 is 74443851.

158344470 is a `hidden beast` number, since 1 + 583 + 4 + 4 + 4 + 70 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 188311 + ... + 189149.

It is an arithmetic number, because the mean of its divisors is an integer number (5351346).

Almost surely, 2158344470 is an apocalyptic number.

158344470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 158344470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214053840).

158344470 is an abundant number, since it is smaller than the sum of its proper divisors (269763210).

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

158344470 is a wasteful number, since it uses less digits than its factorization.

158344470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091 (or 1082 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 158344470 is about 12583.4999105972. The cubic root of 158344470 is about 541.0046113522.

The spelling of 158344470 in words is "one hundred fifty-eight million, three hundred forty-four thousand, four hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 233 270 405 466 699 810 839 1165 1398 1678 2097 2330 2517 3495 4194 4195 5034 6291 6990 7551 8390 10485 12582 12585 15102 18873 20970 22653 25170 31455 37746 37755 45306 62910 67959 75510 94365 113265 135918 188730 195487 226530 339795 390974 586461 679590 977435 1172922 1759383 1954870 2932305 3518766 5278149 5864610 8796915 10556298 15834447 17593830 26390745 31668894 52781490 79172235 158344470