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128457150 = 2352856381
BaseRepresentation
bin1111010100000…
…01100110111110
322221201022002020
413222001212332
5230341112100
620425141010
73116603433
oct752014676
9287638066
10128457150
1166568838
123702a766
13207c8463
14130bbb8a
15b4265a0
hex7a819be

128457150 has 24 divisors (see below), whose sum is σ = 318574104. Its totient is φ = 34255200.

The previous prime is 128457103. The next prime is 128457163. The reversal of 128457150 is 51754821.

It is a super-2 number, since 2×1284571502 = 33002478772245000, which contains 22 as substring.

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, 428041 + ... + 428340.

It is an arithmetic number, because the mean of its divisors is an integer number (13273921).

Almost surely, 2128457150 is an apocalyptic number.

128457150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128457150 is an abundant number, since it is smaller than the sum of its proper divisors (190116954).

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

128457150 is a wasteful number, since it uses less digits than its factorization.

128457150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856396 (or 856391 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 128457150 is about 11333.8938586878. The cubic root of 128457150 is about 504.5676788876.

The spelling of 128457150 in words is "one hundred twenty-eight million, four hundred fifty-seven thousand, one hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 856381 1712762 2569143 4281905 5138286 8563810 12845715 21409525 25691430 42819050 64228575 128457150