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20088275 = 52672179
BaseRepresentation
bin100110010100…
…0010111010011
31101210120221012
41030220113103
520120311100
61554321135
7332514254
oct114502723
941716835
1020088275
1110380689
1268891ab
13421466c
14294cb2b
151b6c135
hex13285d3

20088275 has 18 divisors (see below), whose sum is σ = 25428060. Its totient is φ = 15742320.

The previous prime is 20088259. The next prime is 20088293. The reversal of 20088275 is 57288002.

It is not a de Polignac number, because 20088275 - 24 = 20088259 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 112136 + ... + 112314.

It is an arithmetic number, because the mean of its divisors is an integer number (1412670).

Almost surely, 220088275 is an apocalyptic number.

20088275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20088275 is a deficient number, since it is larger than the sum of its proper divisors (5339785).

20088275 is an equidigital number, since it uses as much as digits as its factorization.

20088275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 20088275 is about 4481.9945336870. The cubic root of 20088275 is about 271.8405342314.

The spelling of 20088275 in words is "twenty million, eighty-eight thousand, two hundred seventy-five".

Divisors: 1 5 25 67 179 335 895 1675 4475 4489 11993 22445 59965 112225 299825 803531 4017655 20088275