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150994909 = 1322930809
BaseRepresentation
bin10001111111111…
…11111111011101
3101112010100002001
420333333333131
5302123314114
622552202301
73512302252
oct1077777735
9345110061
10150994909
117826178a
1242699391
1325389a00
14160a7429
15d3c9374
hex8ffffdd

150994909 has 12 divisors (see below), whose sum is σ = 169146900. Its totient is φ = 134569344.

The previous prime is 150994853. The next prime is 150994937. The reversal of 150994909 is 909499051.

It can be written as a sum of positive squares in 6 ways, for example, as 5189284 + 145805625 = 2278^2 + 12075^2 .

It is not a de Polignac number, because 150994909 - 223 = 142606301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150994939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10504 + ... + 20305.

It is an arithmetic number, because the mean of its divisors is an integer number (14095575).

Almost surely, 2150994909 is an apocalyptic number.

It is an amenable number.

150994909 is a deficient number, since it is larger than the sum of its proper divisors (18151991).

150994909 is a wasteful number, since it uses less digits than its factorization.

150994909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30864 (or 30851 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 46.

The square root of 150994909 is about 12287.9985758463. The cubic root of 150994909 is about 532.5014175574.

The spelling of 150994909 in words is "one hundred fifty million, nine hundred ninety-four thousand, nine hundred nine".

Divisors: 1 13 29 169 377 4901 30809 400517 893461 5206721 11614993 150994909