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150491457 = 3219880067
BaseRepresentation
bin10001111100001…
…01000101000001
3101111011202110200
420332011011001
5302011211312
622533315413
73505104414
oct1076050501
9344152420
10150491457
1177a48506
1242495b69
13252417cc
1415db5b7b
15d32a0dc
hex8f85141

150491457 has 12 divisors (see below), whose sum is σ = 228817680. Its totient is φ = 95047128.

The previous prime is 150491441. The next prime is 150491459. The reversal of 150491457 is 754194051.

150491457 is a `hidden beast` number, since 1 + 504 + 9 + 145 + 7 = 666.

It is not a de Polignac number, because 150491457 - 24 = 150491441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (150491459) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 439863 + ... + 440204.

It is an arithmetic number, because the mean of its divisors is an integer number (19068140).

Almost surely, 2150491457 is an apocalyptic number.

It is an amenable number.

150491457 is a deficient number, since it is larger than the sum of its proper divisors (78326223).

150491457 is a wasteful number, since it uses less digits than its factorization.

150491457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880092 (or 880089 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 150491457 is about 12267.4959547578. The cubic root of 150491457 is about 531.9089308848.

The spelling of 150491457 in words is "one hundred fifty million, four hundred ninety-one thousand, four hundred fifty-seven".

Divisors: 1 3 9 19 57 171 880067 2640201 7920603 16721273 50163819 150491457