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158980632 = 233431271213
BaseRepresentation
bin10010111100111…
…01101000011000
3102002011001102120
421132131220120
5311144340012
623435301240
73640212246
oct1136355030
9362131376
10158980632
1181816558
12452aa820
1326c247a5
1417185796
15de5558c
hex979da18

158980632 has 64 divisors (see below), whose sum is σ = 410234880. Its totient is φ = 51311232.

The previous prime is 158980631. The next prime is 158980667. The reversal of 158980632 is 236089851.

158980632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1589806322 = 50549682702238848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158980631) 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, 130458 + ... + 131670.

It is an arithmetic number, because the mean of its divisors is an integer number (6409920).

Almost surely, 2158980632 is an apocalyptic number.

158980632 is a gapful number since it is divisible by the number (12) 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 158980632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205117440).

158980632 is an abundant number, since it is smaller than the sum of its proper divisors (251254248).

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

158980632 is a wasteful number, since it uses less digits than its factorization.

158980632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392 (or 1388 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 158980632 is about 12608.7521983740. The cubic root of 158980632 is about 541.7281535040.

The spelling of 158980632 in words is "one hundred fifty-eight million, nine hundred eighty thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 43 86 127 129 172 254 258 344 381 508 516 762 1016 1032 1213 1524 2426 3048 3639 4852 5461 7278 9704 10922 14556 16383 21844 29112 32766 43688 52159 65532 104318 131064 154051 156477 208636 308102 312954 417272 462153 616204 625908 924306 1232408 1251816 1848612 3697224 6624193 13248386 19872579 26496772 39745158 52993544 79490316 158980632