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163905327 = 3226176959
BaseRepresentation
bin10011100010011…
…11111100101111
3102102102020211200
421301033330233
5313424432302
624133020543
74030113045
oct1161177457
9372366750
10163905327
118457a553
1246a84753
1327c5a201
1417aa8395
15e5c981c
hex9c4ff2f

163905327 has 12 divisors (see below), whose sum is σ = 236876640. Its totient is φ = 109212768.

The previous prime is 163905319. The next prime is 163905341. The reversal of 163905327 is 723509361.

It is not a de Polignac number, because 163905327 - 23 = 163905319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163905291 and 163905300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163905307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20074 + ... + 27032.

It is an arithmetic number, because the mean of its divisors is an integer number (19739720).

Almost surely, 2163905327 is an apocalyptic number.

163905327 is a deficient number, since it is larger than the sum of its proper divisors (72971313).

163905327 is a wasteful number, since it uses less digits than its factorization.

163905327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9582 (or 9579 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 163905327 is about 12802.5515816184. The cubic root of 163905327 is about 547.2650195740.

The spelling of 163905327 in words is "one hundred sixty-three million, nine hundred five thousand, three hundred twenty-seven".

Divisors: 1 3 9 2617 6959 7851 20877 23553 62631 18211703 54635109 163905327