[go: up one dir, main page]

Search a number
-
+
253070856 = 233231113383
BaseRepresentation
bin11110001010110…
…00111000001000
3122122012022221200
433011120320020
51004241231411
641040104200
76162031623
oct1705307010
9578168850
10253070856
1111a940975
1270905060
134057938c
1425878dba
151733de56
hexf158e08

253070856 has 48 divisors (see below), whose sum is σ = 707516160. Its totient is φ = 81635040.

The previous prime is 253070837. The next prime is 253070879. The reversal of 253070856 is 658070352.

253070856 is a `hidden beast` number, since 2 + 530 + 70 + 8 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 253070856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54460 + ... + 58923.

It is an arithmetic number, because the mean of its divisors is an integer number (14739920).

Almost surely, 2253070856 is an apocalyptic number.

It is an amenable number.

253070856 is an abundant number, since it is smaller than the sum of its proper divisors (454445304).

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

253070856 is a wasteful number, since it uses less digits than its factorization.

253070856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113426 (or 113419 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 253070856 is about 15908.2009039363. The cubic root of 253070856 is about 632.5293927297.

The spelling of 253070856 in words is "two hundred fifty-three million, seventy thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 31 36 62 72 93 124 186 248 279 372 558 744 1116 2232 113383 226766 340149 453532 680298 907064 1020447 1360596 2040894 2721192 3514873 4081788 7029746 8163576 10544619 14059492 21089238 28118984 31633857 42178476 63267714 84356952 126535428 253070856