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1087056404 = 22738823443
BaseRepresentation
bin100000011001011…
…0010101000010100
32210202111012001022
41000302302220110
54211241301104
6255511220312
735636553440
oct10062625024
92722435038
101087056404
11508684625
12264077698
1314429b355
14a452d820
156567abbe
hex40cb2a14

1087056404 has 12 divisors (see below), whose sum is σ = 2174112864. Its totient is φ = 465881304.

The previous prime is 1087056401. The next prime is 1087056407. The reversal of 1087056404 is 4046507801.

It is an interprime number because it is at equal distance from previous prime (1087056401) and next prime (1087056407).

1087056404 is an admirable number.

It is a super-2 number, since 2×10870564042 = 2363383250954822432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087056401) 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 3 ways as a sum of consecutive naturals, for example, 19411694 + ... + 19411749.

It is an arithmetic number, because the mean of its divisors is an integer number (181176072).

Almost surely, 21087056404 is an apocalyptic number.

1087056404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1087056404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1087056404 is a wasteful number, since it uses less digits than its factorization.

1087056404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38823454 (or 38823452 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 1087056404 is about 32970.5384244783. The cubic root of 1087056404 is about 1028.2152155805.

The spelling of 1087056404 in words is "one billion, eighty-seven million, fifty-six thousand, four hundred four".

Divisors: 1 2 4 7 14 28 38823443 77646886 155293772 271764101 543528202 1087056404