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158029272 = 23331734229
BaseRepresentation
bin10010110101101…
…01010111011000
3102000100201102000
421122311113120
5310423414042
623403041000
73626140512
oct1132652730
9360321360
10158029272
1181226805
1244b10160
132698075b
1416db8bb2
15dd1874c
hex96b55d8

158029272 has 64 divisors (see below), whose sum is σ = 441612000. Its totient is φ = 52359552.

The previous prime is 158029271. The next prime is 158029273. The reversal of 158029272 is 272920851.

158029272 is a `hidden beast` number, since 1 + 580 + 2 + 9 + 2 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (158029271) and next prime (158029273).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158029271) 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, 35254 + ... + 39482.

Almost surely, 2158029272 is an apocalyptic number.

158029272 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 158029272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220806000).

158029272 is an abundant number, since it is smaller than the sum of its proper divisors (283582728).

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

158029272 is a wasteful number, since it uses less digits than its factorization.

158029272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417 (or 4407 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 158029272 is about 12570.9694136928. The cubic root of 158029272 is about 540.6454011569.

The spelling of 158029272 in words is "one hundred fifty-eight million, twenty-nine thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 173 216 346 519 692 1038 1384 1557 2076 3114 4152 4229 4671 6228 8458 9342 12456 12687 16916 18684 25374 33832 37368 38061 50748 76122 101496 114183 152244 228366 304488 456732 731617 913464 1463234 2194851 2926468 4389702 5852936 6584553 8779404 13169106 17558808 19753659 26338212 39507318 52676424 79014636 158029272