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150977142 = 2332795873
BaseRepresentation
bin10001111111110…
…11101001110110
3101112002102201000
420333323221312
5302122232032
622551544130
73512166411
oct1077735166
9345072630
10150977142
117824a3a8
124268b046
13253818b4
14160a0b78
15d3c3e7c
hex8ffba76

150977142 has 16 divisors (see below), whose sum is σ = 335504880. Its totient is φ = 50325696.

The previous prime is 150977111. The next prime is 150977143. The reversal of 150977142 is 241779051.

It is a happy number.

150977142 is a `hidden beast` number, since 1 + 509 + 7 + 7 + 142 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 150977097 and 150977106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150977143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1397883 + ... + 1397990.

It is an arithmetic number, because the mean of its divisors is an integer number (20969055).

Almost surely, 2150977142 is an apocalyptic number.

150977142 is an abundant number, since it is smaller than the sum of its proper divisors (184527738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150977142 is a wasteful number, since it uses less digits than its factorization.

150977142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795884 (or 2795878 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 150977142 is about 12287.2756134141. The cubic root of 150977142 is about 532.4805309287.

The spelling of 150977142 in words is "one hundred fifty million, nine hundred seventy-seven thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 2795873 5591746 8387619 16775238 25162857 50325714 75488571 150977142