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152008830 = 23251688987
BaseRepresentation
bin10010000111101…
…11100001111110
3101121000211220200
421003313201332
5302403240310
623030024330
73524024301
oct1103674176
9347024820
10152008830
1178894536
1242aa80a6
132565336c
141628cb38
15d5299c0
hex90f787e

152008830 has 24 divisors (see below), whose sum is σ = 395223192. Its totient is φ = 40535664.

The previous prime is 152008819. The next prime is 152008847. The reversal of 152008830 is 38800251.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 152008794 and 152008803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 844404 + ... + 844583.

It is an arithmetic number, because the mean of its divisors is an integer number (16467633).

Almost surely, 2152008830 is an apocalyptic number.

152008830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152008830 is an abundant number, since it is smaller than the sum of its proper divisors (243214362).

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

152008830 is a wasteful number, since it uses less digits than its factorization.

152008830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689000 (or 1688997 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 152008830 is about 12329.1861045245. The cubic root of 152008830 is about 533.6906637489.

The spelling of 152008830 in words is "one hundred fifty-two million, eight thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1688987 3377974 5066961 8444935 10133922 15200883 16889870 25334805 30401766 50669610 76004415 152008830