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157150730 = 251111171279
BaseRepresentation
bin10010101110111…
…10111000001010
3101221201002021102
421113132320022
5310212310410
623332141402
73615521252
oct1127367012
9357632242
10157150730
1180786740
1244767862
13267338c9
1416c2a962
15dbe32a5
hex95dee0a

157150730 has 32 divisors (see below), whose sum is σ = 309104640. Its totient is φ = 57049920.

The previous prime is 157150717. The next prime is 157150733. The reversal of 157150730 is 37051751.

157150730 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 157150693 and 157150702.

It is not an unprimeable number, because it can be changed into a prime (157150733) 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, 122231 + ... + 123509.

It is an arithmetic number, because the mean of its divisors is an integer number (9659520).

Almost surely, 2157150730 is an apocalyptic number.

157150730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157150730 is a deficient number, since it is larger than the sum of its proper divisors (151953910).

157150730 is a wasteful number, since it uses less digits than its factorization.

157150730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414.

The product of its (nonzero) digits is 3675, while the sum is 29.

The square root of 157150730 is about 12535.9774249956. The cubic root of 157150730 is about 539.6416575479.

The spelling of 157150730 in words is "one hundred fifty-seven million, one hundred fifty thousand, seven hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 1117 1279 2234 2558 5585 6395 11170 12287 12790 14069 24574 28138 61435 70345 122870 140690 1428643 2857286 7143215 14286430 15715073 31430146 78575365 157150730