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1072402513 = 71322931259
BaseRepresentation
bin111111111010111…
…001000001010001
32202201220200200121
4333322321001101
54144013340023
6254225150241
735401161640
oct7772710121
92681820617
101072402513
11500385976
1225b18b381
1314123a400
14a25d7357
1564233d5d
hex3feb9051

1072402513 has 24 divisors (see below), whose sum is σ = 1372939200. Its totient is φ = 819209664.

The previous prime is 1072402511. The next prime is 1072402559. The reversal of 1072402513 is 3152042701.

It is a happy number.

It is not a de Polignac number, because 1072402513 - 21 = 1072402511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1072402511) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 18678 + ... + 49936.

It is an arithmetic number, because the mean of its divisors is an integer number (57205800).

Almost surely, 21072402513 is an apocalyptic number.

1072402513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1072402513 is a deficient number, since it is larger than the sum of its proper divisors (300536687).

1072402513 is a wasteful number, since it uses less digits than its factorization.

1072402513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31321 (or 31308 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1072402513 is about 32747.5573592902. The cubic root of 1072402513 is about 1023.5740673572.

The spelling of 1072402513 in words is "one billion, seventy-two million, four hundred two thousand, five hundred thirteen".

Divisors: 1 7 13 29 91 169 203 377 1183 2639 4901 31259 34307 218813 406367 906511 2844569 5282771 6345577 11784643 36979397 82492501 153200359 1072402513