Search a number
-
+
253041656 = 2374518601
BaseRepresentation
bin11110001010100…
…01101111111000
3122122010211220012
433011101233320
51004234313111
641035321052
76161550530
oct1705215770
9578124805
10253041656
1111a920a3a
12708b0188
1340568cba
142586c4c0
151733548b
hexf151bf8

253041656 has 16 divisors (see below), whose sum is σ = 542232240. Its totient is φ = 108446400.

The previous prime is 253041637. The next prime is 253041671. The reversal of 253041656 is 656140352.

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, 2259245 + ... + 2259356.

It is an arithmetic number, because the mean of its divisors is an integer number (33889515).

Almost surely, 2253041656 is an apocalyptic number.

It is an amenable number.

253041656 is an abundant number, since it is smaller than the sum of its proper divisors (289190584).

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

253041656 is a wasteful number, since it uses less digits than its factorization.

253041656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4518614 (or 4518610 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 253041656 is about 15907.2831118328. The cubic root of 253041656 is about 632.5050641431.

The spelling of 253041656 in words is "two hundred fifty-three million, forty-one thousand, six hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 56 4518601 9037202 18074404 31630207 36148808 63260414 126520828 253041656