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150640569 = 3219880939
BaseRepresentation
bin10001111101010…
…01011110111001
3101111110100000100
420332221132321
5302030444234
622540430013
73506265222
oct1076513671
9344410010
10150640569
117803a542
1242548309
1325294641
1416014249
15d359399
hex8fa97b9

150640569 has 12 divisors (see below), whose sum is σ = 229044400. Its totient is φ = 95141304.

The previous prime is 150640561. The next prime is 150640573. The reversal of 150640569 is 965046051.

150640569 is a `hidden beast` number, since 1 + 5 + 0 + 640 + 5 + 6 + 9 = 666.

It is not a de Polignac number, because 150640569 - 23 = 150640561 is a prime.

It is a super-2 number, since 2×1506405692 = 45385162057287522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150640561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 440299 + ... + 440640.

Almost surely, 2150640569 is an apocalyptic number.

150640569 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

150640569 is a deficient number, since it is larger than the sum of its proper divisors (78403831).

150640569 is a wasteful number, since it uses less digits than its factorization.

150640569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880964 (or 880961 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 150640569 is about 12273.5719739610. The cubic root of 150640569 is about 532.0845506505.

The spelling of 150640569 in words is "one hundred fifty million, six hundred forty thousand, five hundred sixty-nine".

Divisors: 1 3 9 19 57 171 880939 2642817 7928451 16737841 50213523 150640569