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158061072 = 24313439577
BaseRepresentation
bin10010110101111…
…01001000010000
3102000102100000210
421122331020100
5310430423242
623403444120
73626332311
oct1132751020
9360370023
10158061072
1181248694
1244b26640
1326992080
1416dc6608
15dd22d9c
hex96bd210

158061072 has 80 divisors (see below), whose sum is σ = 441499520. Its totient is φ = 48439296.

The previous prime is 158061023. The next prime is 158061073. The reversal of 158061072 is 270160851.

It is not an unprimeable number, because it can be changed into a prime (158061073) 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, 273648 + ... + 274224.

It is an arithmetic number, because the mean of its divisors is an integer number (5518744).

Almost surely, 2158061072 is an apocalyptic number.

158061072 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 158061072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220749760).

158061072 is an abundant number, since it is smaller than the sum of its proper divisors (283438448).

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

158061072 is a wasteful number, since it uses less digits than its factorization.

158061072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 158061072 is about 12572.2341689932. The cubic root of 158061072 is about 540.6816631533.

The spelling of 158061072 in words is "one hundred fifty-eight million, sixty-one thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 439 577 624 878 1154 1317 1731 1756 2308 2634 3462 3512 4616 5268 5707 6924 7024 7501 9232 10536 11414 13848 15002 17121 21072 22503 22828 27696 30004 34242 45006 45656 60008 68484 90012 91312 120016 136968 180024 253303 273936 360048 506606 759909 1013212 1519818 2026424 3039636 3292939 4052848 6079272 6585878 9878817 12158544 13171756 19757634 26343512 39515268 52687024 79030536 158061072