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275952072 = 233111045273
BaseRepresentation
bin10000011100101…
…011000111001000
3201020020211002010
4100130223013020
51031120431242
643214335520
76560360664
oct2034530710
9636224063
10275952072
11131849970
12784ba5a0
134522b066
14289138a4
151935d89c
hex1072b1c8

275952072 has 32 divisors (see below), whose sum is σ = 752597280. Its totient is φ = 83621760.

The previous prime is 275952043. The next prime is 275952073. The reversal of 275952072 is 270259572.

It is a super-2 number, since 2×2759520722 = 152299092082186368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 275952072.

It is not an unprimeable number, because it can be changed into a prime (275952073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522373 + ... + 522900.

It is an arithmetic number, because the mean of its divisors is an integer number (23518665).

Almost surely, 2275952072 is an apocalyptic number.

275952072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

275952072 is an abundant number, since it is smaller than the sum of its proper divisors (476645208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

275952072 is a wasteful number, since it uses less digits than its factorization.

275952072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045293 (or 1045289 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 275952072 is about 16611.8051999173. The cubic root of 275952072 is about 651.0453176444.

The spelling of 275952072 in words is "two hundred seventy-five million, nine hundred fifty-two thousand, seventy-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 1045273 2090546 3135819 4181092 6271638 8362184 11498003 12543276 22996006 25086552 34494009 45992012 68988018 91984024 137976036 275952072