Search a number
-
+
253211056 = 24717132989
BaseRepresentation
bin11110001011110…
…11000110110000
3122122110110021021
433011323012300
51004310223211
641043105224
76163154440
oct1705730660
9578413237
10253211056
1111aa2723a
1270972214
13405c8137
14258b4120
151736a771
hexf17b1b0

253211056 has 40 divisors (see below), whose sum is σ = 593667360. Its totient is φ = 102134784.

The previous prime is 253211029. The next prime is 253211083. The reversal of 253211056 is 650112352.

It is an interprime number because it is at equal distance from previous prime (253211029) and next prime (253211083).

It is a self number, because there is not a number n which added to its sum of digits gives 253211056.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64591 + ... + 68398.

It is an arithmetic number, because the mean of its divisors is an integer number (14841684).

Almost surely, 2253211056 is an apocalyptic number.

It is an amenable number.

253211056 is an abundant number, since it is smaller than the sum of its proper divisors (340456304).

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

253211056 is a wasteful number, since it uses less digits than its factorization.

253211056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133021 (or 133015 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 253211056 is about 15912.6068260358. The cubic root of 253211056 is about 632.6461772159.

The spelling of 253211056 in words is "two hundred fifty-three million, two hundred eleven thousand, fifty-six".

Divisors: 1 2 4 7 8 14 16 17 28 34 56 68 112 119 136 238 272 476 952 1904 132989 265978 531956 930923 1063912 1861846 2127824 2260813 3723692 4521626 7447384 9043252 14894768 15825691 18086504 31651382 36173008 63302764 126605528 253211056