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150492661 = 1121243741
BaseRepresentation
bin10001111100001…
…01010111110101
3101111011211010021
420332011113311
5302011231121
622533325141
73505111054
oct1076052765
9344154107
10150492661
1177a49400
12424967b1
1325242217
1415db639b
15d32a641
hex8f855f5

150492661 has 6 divisors (see below), whose sum is σ = 165417686. Its totient is φ = 136811400.

The previous prime is 150492613. The next prime is 150492679. The reversal of 150492661 is 166294051.

It can be written as a sum of positive squares in only one way, i.e., 128119761 + 22372900 = 11319^2 + 4730^2 .

It is not a de Polignac number, because 150492661 - 29 = 150492149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150492961) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 621750 + ... + 621991.

Almost surely, 2150492661 is an apocalyptic number.

150492661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

150492661 is a deficient number, since it is larger than the sum of its proper divisors (14925025).

150492661 is a wasteful number, since it uses less digits than its factorization.

150492661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243763 (or 1243752 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 150492661 is about 12267.5450274291. The cubic root of 150492661 is about 531.9103493853.

The spelling of 150492661 in words is "one hundred fifty million, four hundred ninety-two thousand, six hundred sixty-one".

Divisors: 1 11 121 1243741 13681151 150492661