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253605332 = 22307206519
BaseRepresentation
bin11110001110110…
…11010111010100
3122200012111010002
433013123113110
51004410332312
641055350432
76166416101
oct1707332724
9580174102
10253605332
11120176492
1270b22418
1340705736
1425977aa8
15173e74c2
hexf1db5d4

253605332 has 12 divisors (see below), whose sum is σ = 445257120. Its totient is φ = 126389016.

The previous prime is 253605307. The next prime is 253605347. The reversal of 253605332 is 233506352.

It is a junction number, because it is equal to n+sod(n) for n = 253605295 and 253605304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102032 + ... + 104487.

It is an arithmetic number, because the mean of its divisors is an integer number (37104760).

Almost surely, 2253605332 is an apocalyptic number.

It is an amenable number.

253605332 is a deficient number, since it is larger than the sum of its proper divisors (191651788).

253605332 is a wasteful number, since it uses less digits than its factorization.

253605332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206830 (or 206828 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 29.

The square root of 253605332 is about 15924.9908006253. The cubic root of 253605332 is about 632.9743722711.

The spelling of 253605332 in words is "two hundred fifty-three million, six hundred five thousand, three hundred thirty-two".

Divisors: 1 2 4 307 614 1228 206519 413038 826076 63401333 126802666 253605332