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1082725431 = 31918995183
BaseRepresentation
bin100000010001001…
…0001010000110111
32210110100011001220
41000202101100313
54204134203211
6255234321423
735555004624
oct10042212067
92713304056
101082725431
11506196707
12262729273
13143412c48
14a3b2334b
15650c2806
hex40891437

1082725431 has 8 divisors (see below), whose sum is σ = 1519614720. Its totient is φ = 683826552.

The previous prime is 1082725421. The next prime is 1082725453. The reversal of 1082725431 is 1345272801.

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

It is not a de Polignac number, because 1082725431 - 26 = 1082725367 is a prime.

It is a super-2 number, since 2×10827254312 = 2344588717868271522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1082725392 and 1082725401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1082725421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9497535 + ... + 9497648.

It is an arithmetic number, because the mean of its divisors is an integer number (189951840).

Almost surely, 21082725431 is an apocalyptic number.

1082725431 is a deficient number, since it is larger than the sum of its proper divisors (436889289).

1082725431 is a wasteful number, since it uses less digits than its factorization.

1082725431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18995205.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1082725431 is about 32904.7934349997. The cubic root of 1082725431 is about 1026.8478840573.

The spelling of 1082725431 in words is "one billion, eighty-two million, seven hundred twenty-five thousand, four hundred thirty-one".

Divisors: 1 3 19 57 18995183 56985549 360908477 1082725431