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101988275 = 524079531
BaseRepresentation
bin1100001010000…
…11011110110011
321002220112121112
412011003132303
5202102111100
614041543535
72345612624
oct605033663
9232815545
10101988275
115262a334
122a1a4bab
131818b7bc
14d78ba4b
158e48b35
hex61437b3

101988275 has 6 divisors (see below), whose sum is σ = 126465492. Its totient is φ = 81590600.

The previous prime is 101988259. The next prime is 101988277. The reversal of 101988275 is 572889101.

It is not a de Polignac number, because 101988275 - 24 = 101988259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101988277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2039741 + ... + 2039790.

It is an arithmetic number, because the mean of its divisors is an integer number (21077582).

Almost surely, 2101988275 is an apocalyptic number.

101988275 is a deficient number, since it is larger than the sum of its proper divisors (24477217).

101988275 is an equidigital number, since it uses as much as digits as its factorization.

101988275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4079541 (or 4079536 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 41.

The square root of 101988275 is about 10098.9244476825. The cubic root of 101988275 is about 467.2149691906.

The spelling of 101988275 in words is "one hundred one million, nine hundred eighty-eight thousand, two hundred seventy-five".

Divisors: 1 5 25 4079531 20397655 101988275