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150492909 = 3726772
BaseRepresentation
bin10001111100001…
…01011011101101
3101111011211110110
420332011123231
5302011233114
622533330233
73505111560
oct1076053355
9344154413
10150492909
1177a49606
1242496979
1325242378
1415db64d7
15d32a759
hex8f856ed

150492909 has 12 divisors (see below), whose sum is σ = 229408224. Its totient is φ = 85963824.

The previous prime is 150492899. The next prime is 150492913. The reversal of 150492909 is 909294051.

It is not a de Polignac number, because 150492909 - 25 = 150492877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150492809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54879 + ... + 57555.

It is an arithmetic number, because the mean of its divisors is an integer number (19117352).

Almost surely, 2150492909 is an apocalyptic number.

It is an amenable number.

150492909 is a deficient number, since it is larger than the sum of its proper divisors (78915315).

150492909 is an frugal number, since it uses more digits than its factorization.

150492909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364 (or 2687 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 150492909 is about 12267.5551353968. Note that the first 3 decimals coincide. The cubic root of 150492909 is about 531.9106415672.

The spelling of 150492909 in words is "one hundred fifty million, four hundred ninety-two thousand, nine hundred nine".

Divisors: 1 3 7 21 2677 8031 18739 56217 7166329 21498987 50164303 150492909