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253604424 = 23310566851
BaseRepresentation
bin11110001110110…
…11001001001000
3122200012102212110
433013123021020
51004410320144
641055342320
76166413333
oct1707331110
9580172773
10253604424
11120175837
1270b219a0
13407051b8
142597761a
15173e70b9
hexf1db248

253604424 has 16 divisors (see below), whose sum is σ = 634011120. Its totient is φ = 84534800.

The previous prime is 253604387. The next prime is 253604441. The reversal of 253604424 is 424406352.

253604424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 253604391 and 253604400.

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, 5283402 + ... + 5283449.

It is an arithmetic number, because the mean of its divisors is an integer number (39625695).

Almost surely, 2253604424 is an apocalyptic number.

253604424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

253604424 is an abundant number, since it is smaller than the sum of its proper divisors (380406696).

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

253604424 is a wasteful number, since it uses less digits than its factorization.

253604424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10566860 (or 10566856 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 253604424 is about 15924.9622919491. The cubic root of 253604424 is about 632.9736168435.

The spelling of 253604424 in words is "two hundred fifty-three million, six hundred four thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 10566851 21133702 31700553 42267404 63401106 84534808 126802212 253604424