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150811057 = 244761631
BaseRepresentation
bin10001111110100…
…11000110110001
3101111202222212201
420333103012301
5302101423212
622544223201
73510605245
oct1077230661
9344688781
10150811057
1178146641
124260ab01
1325324117
141605a425
15d38eb57
hex8fd31b1

150811057 has 4 divisors (see below), whose sum is σ = 150875136. Its totient is φ = 150746980.

The previous prime is 150811027. The next prime is 150811081. The reversal of 150811057 is 750118051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 750118051 = 3172366303.

It is a cyclic number.

It is not a de Polignac number, because 150811057 - 27 = 150810929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150811007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28369 + ... + 33262.

It is an arithmetic number, because the mean of its divisors is an integer number (37718784).

Almost surely, 2150811057 is an apocalyptic number.

It is an amenable number.

150811057 is a deficient number, since it is larger than the sum of its proper divisors (64079).

150811057 is an equidigital number, since it uses as much as digits as its factorization.

150811057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64078.

The product of its (nonzero) digits is 1400, while the sum is 28.

The square root of 150811057 is about 12280.5153393496. The cubic root of 150811057 is about 532.2852045004.

The spelling of 150811057 in words is "one hundred fifty million, eight hundred eleven thousand, fifty-seven".

Divisors: 1 2447 61631 150811057