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216031675 = 5220114297
BaseRepresentation
bin11001110000001…
…10000110111011
3120001111112202011
430320012012323
5420301003200
633234150351
75232144646
oct1470060673
9501445664
10216031675
11100a42882
12604223b7
13359ab3c2
1420996a5d
1513e745ba
hexce061bb

216031675 has 12 divisors (see below), whose sum is σ = 268074856. Its totient is φ = 172699200.

The previous prime is 216031649. The next prime is 216031681. The reversal of 216031675 is 576130612.

216031675 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 216031675 - 27 = 216031547 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48127 + ... + 52423.

Almost surely, 2216031675 is an apocalyptic number.

216031675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

216031675 is a deficient number, since it is larger than the sum of its proper divisors (52043181).

216031675 is a wasteful number, since it uses less digits than its factorization.

216031675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6318 (or 6313 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 216031675 is about 14698.0160225794. The cubic root of 216031675 is about 600.0293272702.

The spelling of 216031675 in words is "two hundred sixteen million, thirty-one thousand, six hundred seventy-five".

Divisors: 1 5 25 2011 4297 10055 21485 50275 107425 8641267 43206335 216031675