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255262501 = 1321510429
BaseRepresentation
bin11110011011011…
…11111100100101
3122210022200022201
433031233330211
51010321400001
641155054501
76216460354
oct1715577445
9583280281
10255262501
111210a854a
12715a1431
1340b65b00
1425c8999b
1517623501
hexf36ff25

255262501 has 6 divisors (see below), whose sum is σ = 276408690. Its totient is φ = 235626768.

The previous prime is 255262493. The next prime is 255262529. The reversal of 255262501 is 105262552.

It can be written as a sum of positive squares in 3 ways, for example, as 28037025 + 227225476 = 5295^2 + 15074^2 .

It is not a de Polignac number, because 255262501 - 23 = 255262493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255262501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255262561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 755046 + ... + 755383.

It is an arithmetic number, because the mean of its divisors is an integer number (46068115).

Almost surely, 2255262501 is an apocalyptic number.

It is an amenable number.

255262501 is a deficient number, since it is larger than the sum of its proper divisors (21146189).

255262501 is a wasteful number, since it uses less digits than its factorization.

255262501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510455 (or 1510442 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 255262501 is about 15976.9365336412. The cubic root of 255262501 is about 634.3500912542.

The spelling of 255262501 in words is "two hundred fifty-five million, two hundred sixty-two thousand, five hundred one".

Divisors: 1 13 169 1510429 19635577 255262501