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10686361 = 724672
BaseRepresentation
bin101000110000…
…111110011001
3202002220221011
4220300332121
510213430421
61021013521
7156555400
oct50607631
922086834
1010686361
116039904
1236b42a1
1322a20ba
1415c2637
15e114e1
hexa30f99

10686361 has 9 divisors (see below), whose sum is σ = 12457749. Its totient is φ = 9140124.

The previous prime is 10686359. The next prime is 10686391. The reversal of 10686361 is 16368601.

The square root of 10686361 is 3269.

It is a perfect power (a square), and thus also a powerful number.

10686361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10686361 - 21 = 10686359 is a prime.

It is a super-2 number, since 2×106863612 = 228396622844642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10686301) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 22650 + ... + 23116.

Almost surely, 210686361 is an apocalyptic number.

10686361 is the 3269-th square number.

10686361 is the 1635-th centered octagonal number.

It is an amenable number.

10686361 is a deficient number, since it is larger than the sum of its proper divisors (1771388).

10686361 is an frugal number, since it uses more digits than its factorization.

10686361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The cubic root of 10686361 is about 220.2638775821.

Multiplying 10686361 by its product of nonzero digits (5184), we get a square (55398095424 = 2353682).

The spelling of 10686361 in words is "ten million, six hundred eighty-six thousand, three hundred sixty-one".

Divisors: 1 7 49 467 3269 22883 218089 1526623 10686361