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151903144 = 2345741549
BaseRepresentation
bin10010000110111…
…01101110101000
3101120211110221101
421003131232220
5302341400034
623023451144
73523104211
oct1103355650
9346743841
10151903144
1178822098
1242a56ab4
1325617223
1416262408
15d508514
hex90ddba8

151903144 has 16 divisors (see below), whose sum is σ = 285448500. Its totient is φ = 75783552.

The previous prime is 151903139. The next prime is 151903181. The reversal of 151903144 is 441309151.

151903144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 150552900 + 1350244 = 12270^2 + 1162^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17119 + ... + 24430.

Almost surely, 2151903144 is an apocalyptic number.

It is an amenable number.

151903144 is a deficient number, since it is larger than the sum of its proper divisors (133545356).

151903144 is a wasteful number, since it uses less digits than its factorization.

151903144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42012 (or 42008 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 151903144 is about 12324.8993505018. The cubic root of 151903144 is about 533.5669500841.

The spelling of 151903144 in words is "one hundred fifty-one million, nine hundred three thousand, one hundred forty-four".

Divisors: 1 2 4 8 457 914 1828 3656 41549 83098 166196 332392 18987893 37975786 75951572 151903144