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10639070 = 251381839
BaseRepresentation
bin101000100101…
…011011011110
3202000112001122
4220211123132
510210422240
61020010542
7156300461
oct50453336
922015048
1010639070
116007322
123690a52
132286710
1415ad2d8
15e024b5
hexa256de

10639070 has 16 divisors (see below), whose sum is σ = 20623680. Its totient is φ = 3928224.

The previous prime is 10639051. The next prime is 10639073. The reversal of 10639070 is 7093601.

10639070 = T228 + T229 + ... + T422.

It is a happy number.

It is a super-2 number, since 2×106390702 = 226379620929800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10639073) by changing a digit.

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, 40790 + ... + 41049.

It is an arithmetic number, because the mean of its divisors is an integer number (1288980).

Almost surely, 210639070 is an apocalyptic number.

10639070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10639070 is a deficient number, since it is larger than the sum of its proper divisors (9984610).

10639070 is a wasteful number, since it uses less digits than its factorization.

10639070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81859.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 10639070 is about 3261.7587280484. The cubic root of 10639070 is about 219.9384814218.

The spelling of 10639070 in words is "ten million, six hundred thirty-nine thousand, seventy".

Divisors: 1 2 5 10 13 26 65 130 81839 163678 409195 818390 1063907 2127814 5319535 10639070