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275230072 = 23132646443
BaseRepresentation
bin10000011001111…
…010110101111000
3201011220010200101
4100121322311320
51030424330242
643151045144
76551263015
oct2031726570
9634803611
10275230072
111313a6477
12782107b4
1345037540
14287a670c
15192699b7
hex1067ad78

275230072 has 16 divisors (see below), whose sum is σ = 555753240. Its totient is φ = 127029216.

The previous prime is 275230063. The next prime is 275230091. The reversal of 275230072 is 270032572.

It is a self number, because there is not a number n which added to its sum of digits gives 275230072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323118 + ... + 1323325.

Almost surely, 2275230072 is an apocalyptic number.

It is an amenable number.

275230072 is an abundant number, since it is smaller than the sum of its proper divisors (280523168).

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

275230072 is a wasteful number, since it uses less digits than its factorization.

275230072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646462 (or 2646458 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 275230072 is about 16590.0594332872. The cubic root of 275230072 is about 650.4770241932.

The spelling of 275230072 in words is "two hundred seventy-five million, two hundred thirty thousand, seventy-two".

Divisors: 1 2 4 8 13 26 52 104 2646443 5292886 10585772 21171544 34403759 68807518 137615036 275230072