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10680269 = 67159407
BaseRepresentation
bin101000101111…
…011111001101
3202002121120112
4220233133031
510213232034
61020525405
7156531545
oct50573715
922077515
1010680269
116035276
1236b0865
13229c3b2
1415c0325
15e0e7ce
hexa2f7cd

10680269 has 4 divisors (see below), whose sum is σ = 10839744. Its totient is φ = 10520796.

The previous prime is 10680253. The next prime is 10680281. The reversal of 10680269 is 96208601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96208601 = 293328357.

It is a cyclic number.

It is not a de Polignac number, because 10680269 - 24 = 10680253 is a prime.

It is a super-2 number, since 2×106802692 = 228136291824722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10680209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79637 + ... + 79770.

It is an arithmetic number, because the mean of its divisors is an integer number (2709936).

Almost surely, 210680269 is an apocalyptic number.

It is an amenable number.

10680269 is a deficient number, since it is larger than the sum of its proper divisors (159475).

10680269 is an equidigital number, since it uses as much as digits as its factorization.

10680269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159474.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 10680269 is about 3268.0680837461. The cubic root of 10680269 is about 220.2220141699. Note that the first 3 decimals are identical.

The spelling of 10680269 in words is "ten million, six hundred eighty thousand, two hundred sixty-nine".

Divisors: 1 67 159407 10680269