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10685730 = 2351132381
BaseRepresentation
bin101000110000…
…110100100010
3202002220001210
4220300310202
510213420410
61021010550
7156553506
oct50606442
922086053
1010685730
116039390
1236b3a56
1322a1a23
1415c2306
15e11220
hexa30d22

10685730 has 32 divisors (see below), whose sum is σ = 27978048. Its totient is φ = 2590400.

The previous prime is 10685729. The next prime is 10685737. The reversal of 10685730 is 3758601.

It is a super-2 number, since 2×106857302 = 228369651265800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10685737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15861 + ... + 16520.

It is an arithmetic number, because the mean of its divisors is an integer number (874314).

Almost surely, 210685730 is an apocalyptic number.

10685730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10685730 is an abundant number, since it is smaller than the sum of its proper divisors (17292318).

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

10685730 is a wasteful number, since it uses less digits than its factorization.

10685730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32402.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 10685730 is about 3268.9034858802. The cubic root of 10685730 is about 220.2595421729.

The spelling of 10685730 in words is "ten million, six hundred eighty-five thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 32381 64762 97143 161905 194286 323810 356191 485715 712382 971430 1068573 1780955 2137146 3561910 5342865 10685730