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10689402 = 231781567
BaseRepresentation
bin101000110001…
…101101111010
3202010002002210
4220301231322
510214030102
61021035550
7156600303
oct50615572
922102083
1010689402
116041119
1236b5bb6
1322a35b9
1415c37aa
15e1236c
hexa31b7a

10689402 has 8 divisors (see below), whose sum is σ = 21378816. Its totient is φ = 3563132.

The previous prime is 10689391. The next prime is 10689421. The reversal of 10689402 is 20498601.

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

10689402 is an admirable number.

It is a super-2 number, since 2×106894022 = 228526630235208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10689402.

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 3 ways as a sum of consecutive naturals, for example, 890778 + ... + 890789.

It is an arithmetic number, because the mean of its divisors is an integer number (2672352).

Almost surely, 210689402 is an apocalyptic number.

10689402 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.

10689402 is a wasteful number, since it uses less digits than its factorization.

10689402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781572.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 10689402 is about 3269.4650938647. The cubic root of 10689402 is about 220.2847689758.

The spelling of 10689402 in words is "ten million, six hundred eighty-nine thousand, four hundred two".

Divisors: 1 2 3 6 1781567 3563134 5344701 10689402