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255253041 = 32297313397
BaseRepresentation
bin11110011011011…
…01101000110001
3122210022012100100
433031231220301
51010321044131
641154543013
76216420651
oct1715555061
9583265310
10255253041
111210a142a
1271597a69
1340b61704
1425c86361
15176207e6
hexf36da31

255253041 has 24 divisors (see below), whose sum is σ = 386666280. Its totient is φ = 162038016.

The previous prime is 255253021. The next prime is 255253081. The reversal of 255253041 is 140352552.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4822416 + 250430625 = 2196^2 + 15825^2 .

It is not a de Polignac number, because 255253041 - 219 = 254728753 is a prime.

It is a super-2 number, since 2×2552530412 = 130308229879495362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255252996 and 255253014.

It is not an unprimeable number, because it can be changed into a prime (255253021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12355 + ... + 25751.

It is an arithmetic number, because the mean of its divisors is an integer number (16111095).

Almost surely, 2255253041 is an apocalyptic number.

It is an amenable number.

255253041 is a deficient number, since it is larger than the sum of its proper divisors (131413239).

255253041 is a wasteful number, since it uses less digits than its factorization.

255253041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13505 (or 13502 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 255253041 is about 15976.6404791496. The cubic root of 255253041 is about 634.3422548427.

The spelling of 255253041 in words is "two hundred fifty-five million, two hundred fifty-three thousand, forty-one".

Divisors: 1 3 9 29 73 87 219 261 657 2117 6351 13397 19053 40191 120573 388513 977981 1165539 2933943 3496617 8801829 28361449 85084347 255253041