Search a number
-
+
158310240 = 25351129983
BaseRepresentation
bin10010110111110…
…01111101100000
3102000212222211020
421123321331200
5311011411430
623413045440
73631420614
oct1133717540
9360788736
10158310240
11813a8910
1245026880
1326a4b5ca
141704d344
15dd71b10
hex96f9f60

158310240 has 96 divisors (see below), whose sum is σ = 544029696. Its totient is φ = 38376960.

The previous prime is 158310227. The next prime is 158310247. The reversal of 158310240 is 42013851.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 158310240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158310247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9712 + ... + 20271.

It is an arithmetic number, because the mean of its divisors is an integer number (5666976).

Almost surely, 2158310240 is an apocalyptic number.

158310240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158310240 is an abundant number, since it is smaller than the sum of its proper divisors (385719456).

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

158310240 is a wasteful number, since it uses less digits than its factorization.

158310240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30012 (or 30004 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 158310240 is about 12582.1397226386. The cubic root of 158310240 is about 540.9656247840.

The spelling of 158310240 in words is "one hundred fifty-eight million, three hundred ten thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 66 80 88 96 110 120 132 160 165 176 220 240 264 330 352 440 480 528 660 880 1056 1320 1760 2640 5280 29983 59966 89949 119932 149915 179898 239864 299830 329813 359796 449745 479728 599660 659626 719592 899490 959456 989439 1199320 1319252 1439184 1649065 1798980 1978878 2398640 2638504 2878368 3298130 3597960 3957756 4797280 4947195 5277008 6596260 7195920 7915512 9894390 10554016 13192520 14391840 15831024 19788780 26385040 31662048 39577560 52770080 79155120 158310240