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10706531 = 11973321
BaseRepresentation
bin101000110101…
…111001100011
3202010221121012
4220311321203
510220102111
61021251135
7160001243
oct50657143
922127535
1010706531
116052a80
123703aab
1322ab334
1415c9b23
15e1748b
hexa35e63

10706531 has 4 divisors (see below), whose sum is σ = 11679864. Its totient is φ = 9733200.

The previous prime is 10706503. The next prime is 10706543. The reversal of 10706531 is 13560701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10706531 - 222 = 6512227 is a prime.

It is a super-2 number, since 2×107065312 = 229259612107922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10706497 and 10706506.

It is not an unprimeable number, because it can be changed into a prime (10706561) 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 3 ways as a sum of consecutive naturals, for example, 486650 + ... + 486671.

It is an arithmetic number, because the mean of its divisors is an integer number (2919966).

Almost surely, 210706531 is an apocalyptic number.

10706531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10706531 is a deficient number, since it is larger than the sum of its proper divisors (973333).

10706531 is an equidigital number, since it uses as much as digits as its factorization.

10706531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973332.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 10706531 is about 3272.0835869519. The cubic root of 10706531 is about 220.4023696966.

The spelling of 10706531 in words is "ten million, seven hundred six thousand, five hundred thirty-one".

Divisors: 1 11 973321 10706531