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150609938 = 275304969
BaseRepresentation
bin10001111101000…
…10000000010010
3101111101202222212
420332202000102
5302024004223
622540032122
73506110013
oct1076420022
9344352885
10150609938
1178019526
1242532642
132528370b
141600700a
15d350278
hex8fa2012

150609938 has 4 divisors (see below), whose sum is σ = 225914910. Its totient is φ = 75304968.

The previous prime is 150609937. The next prime is 150609959. The reversal of 150609938 is 839906051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 839906051 = 2333604747.

It can be written as a sum of positive squares in only one way, i.e., 121374289 + 29235649 = 11017^2 + 5407^2 .

It is a junction number, because it is equal to n+sod(n) for n = 150609895 and 150609904.

It is not an unprimeable number, because it can be changed into a prime (150609931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37652483 + ... + 37652486.

Almost surely, 2150609938 is an apocalyptic number.

150609938 is a deficient number, since it is larger than the sum of its proper divisors (75304972).

150609938 is an equidigital number, since it uses as much as digits as its factorization.

150609938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75304971.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 150609938 is about 12272.3240667772. The cubic root of 150609938 is about 532.0484838132.

The spelling of 150609938 in words is "one hundred fifty million, six hundred nine thousand, nine hundred thirty-eight".

Divisors: 1 2 75304969 150609938