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157829900 = 22521578299
BaseRepresentation
bin10010110100001…
…00101100001100
3101222222120220212
421122010230030
5310401024100
623354501552
73624350324
oct1132045414
9358876825
10157829900
11810aaa38
1244a348b8
1326910a97
1416d66284
15dcc9635
hex9684b0c

157829900 has 18 divisors (see below), whose sum is σ = 342491100. Its totient is φ = 63131920.

The previous prime is 157829873. The next prime is 157829923. The reversal of 157829900 is 9928751.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 789050 + ... + 789249.

Almost surely, 2157829900 is an apocalyptic number.

157829900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157829900 is an abundant number, since it is smaller than the sum of its proper divisors (184661200).

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

157829900 is a wasteful number, since it uses less digits than its factorization.

157829900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578313 (or 1578306 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 157829900 is about 12563.0370531970. The cubic root of 157829900 is about 540.4179434736.

The spelling of 157829900 in words is "one hundred fifty-seven million, eight hundred twenty-nine thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1578299 3156598 6313196 7891495 15782990 31565980 39457475 78914950 157829900