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275504140 = 22571194017
BaseRepresentation
bin10000011010111…
…101110000001100
3201012102001122001
4100122331300030
51031012113030
643201002044
76553514032
oct2032756014
9635361561
10275504140
1113157337a
1278323324
1345102202
1428838552
15192c0cca
hex106bdc0c

275504140 has 24 divisors (see below), whose sum is σ = 586710432. Its totient is φ = 108648960.

The previous prime is 275504107. The next prime is 275504167. The reversal of 275504140 is 41405572.

It is a junction number, because it is equal to n+sod(n) for n = 275504099 and 275504108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95589 + ... + 98428.

It is an arithmetic number, because the mean of its divisors is an integer number (24446268).

Almost surely, 2275504140 is an apocalyptic number.

275504140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275504140 is an abundant number, since it is smaller than the sum of its proper divisors (311206292).

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

275504140 is a wasteful number, since it uses less digits than its factorization.

275504140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194097 (or 194095 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 275504140 is about 16598.3173846026. The cubic root of 275504140 is about 650.6928627635.

The spelling of 275504140 in words is "two hundred seventy-five million, five hundred four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 194017 388034 776068 970085 1940170 3880340 13775207 27550414 55100828 68876035 137752070 275504140