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253320124 = 22137462263
BaseRepresentation
bin11110001100101…
…01101110111100
3122122122222212211
433012111232330
51004322220444
641045310204
76164120431
oct1706255674
9578588784
10253320124
1111aaa1182
1270a05364
1340635985
1425901b88
151738cc34
hexf195bbc

253320124 has 12 divisors (see below), whose sum is σ = 446547024. Its totient is φ = 125735264.

The previous prime is 253320113. The next prime is 253320131. The reversal of 253320124 is 421023352.

It is a junction number, because it is equal to n+sod(n) for n = 253320095 and 253320104.

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, 230584 + ... + 231679.

It is an arithmetic number, because the mean of its divisors is an integer number (37212252).

Almost surely, 2253320124 is an apocalyptic number.

It is an amenable number.

253320124 is a deficient number, since it is larger than the sum of its proper divisors (193226900).

253320124 is a wasteful number, since it uses less digits than its factorization.

253320124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462404 (or 462402 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 253320124 is about 15916.0335511081. The cubic root of 253320124 is about 632.7369994066.

Adding to 253320124 its reverse (421023352), we get a palindrome (674343476).

The spelling of 253320124 in words is "two hundred fifty-three million, three hundred twenty thousand, one hundred twenty-four".

Divisors: 1 2 4 137 274 548 462263 924526 1849052 63330031 126660062 253320124