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10712405 = 511194771
BaseRepresentation
bin101000110111…
…010101010101
3202011020122202
4220313111111
510220244110
61021334245
7160024334
oct50672525
922136582
1010712405
116057430
123707385
1322b0c02
1415cbd1b
15e190a5
hexa37555

10712405 has 8 divisors (see below), whose sum is σ = 14023584. Its totient is φ = 7790800.

The previous prime is 10712353. The next prime is 10712423. The reversal of 10712405 is 50421701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10712405 - 212 = 10708309 is a prime.

It is a super-2 number, since 2×107124052 = 229511241768050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97331 + ... + 97440.

It is an arithmetic number, because the mean of its divisors is an integer number (1752948).

Almost surely, 210712405 is an apocalyptic number.

It is an amenable number.

10712405 is a deficient number, since it is larger than the sum of its proper divisors (3311179).

10712405 is a wasteful number, since it uses less digits than its factorization.

10712405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194787.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 10712405 is about 3272.9810570793. The cubic root of 10712405 is about 220.4426692991.

The spelling of 10712405 in words is "ten million, seven hundred twelve thousand, four hundred five".

Divisors: 1 5 11 55 194771 973855 2142481 10712405