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255372073 = 1125339821
BaseRepresentation
bin11110011100010…
…10101100101001
3122210112020121221
433032022230221
51010333401243
641201302041
76220424665
oct1716125451
9583466557
10255372073
11121172900
1271634921
1340ba3948
1425cb78a5
1517645bed
hexf38ab29

255372073 has 12 divisors (see below), whose sum is σ = 286001604. Its totient is φ = 227770400.

The previous prime is 255372053. The next prime is 255372077. The reversal of 255372073 is 370273552.

It can be written as a sum of positive squares in 2 ways, for example, as 176570944 + 78801129 = 13288^2 + 8877^2 .

It is not a de Polignac number, because 255372073 - 29 = 255371561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255372077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13498 + ... + 26323.

It is an arithmetic number, because the mean of its divisors is an integer number (23833467).

Almost surely, 2255372073 is an apocalyptic number.

It is an amenable number.

255372073 is a deficient number, since it is larger than the sum of its proper divisors (30629531).

255372073 is a wasteful number, since it uses less digits than its factorization.

255372073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39896 (or 39885 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 34.

The square root of 255372073 is about 15980.3652336234. The cubic root of 255372073 is about 634.4408436692.

The spelling of 255372073 in words is "two hundred fifty-five million, three hundred seventy-two thousand, seventy-three".

Divisors: 1 11 53 121 583 6413 39821 438031 2110513 4818341 23215643 255372073