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163141928 = 23171199573
BaseRepresentation
bin10011011100101…
…01100100101000
3102100222110122122
421232111210220
5313231020203
624104410412
74020453305
oct1156254450
9370873578
10163141928
11840a8a44
1246776a08
1327a508b1
141794a0ac
15e4c8538
hex9b95928

163141928 has 16 divisors (see below), whose sum is σ = 323884980. Its totient is φ = 76772608.

The previous prime is 163141889. The next prime is 163141931. The reversal of 163141928 is 829141361.

It can be written as a sum of positive squares in 2 ways, for example, as 160326244 + 2815684 = 12662^2 + 1678^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599651 + ... + 599922.

Almost surely, 2163141928 is an apocalyptic number.

It is an amenable number.

163141928 is a deficient number, since it is larger than the sum of its proper divisors (160743052).

163141928 is a wasteful number, since it uses less digits than its factorization.

163141928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199596 (or 1199592 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 163141928 is about 12772.7024548449. The cubic root of 163141928 is about 546.4140570616.

The spelling of 163141928 in words is "one hundred sixty-three million, one hundred forty-one thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 17 34 68 136 1199573 2399146 4798292 9596584 20392741 40785482 81570964 163141928