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11669413 = 78918731
BaseRepresentation
bin101100100000…
…111110100101
3210221212102111
4230200332211
510441410123
61054041021
7201121420
oct54407645
923855374
1011669413
116650448
123aa9171
1325576a2
14179a9b7
15105790d
hexb20fa5

11669413 has 8 divisors (see below), whose sum is σ = 13487040. Its totient is φ = 9889440.

The previous prime is 11669387. The next prime is 11669417. The reversal of 11669413 is 31496611.

11669413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11669413 - 221 = 9572261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11669417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8743 + ... + 9988.

It is an arithmetic number, because the mean of its divisors is an integer number (1685880).

Almost surely, 211669413 is an apocalyptic number.

It is an amenable number.

11669413 is a deficient number, since it is larger than the sum of its proper divisors (1817627).

11669413 is an equidigital number, since it uses as much as digits as its factorization.

11669413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18827.

The product of its digits is 3888, while the sum is 31.

The square root of 11669413 is about 3416.0522536987. The cubic root of 11669413 is about 226.8208656165.

The spelling of 11669413 in words is "eleven million, six hundred sixty-nine thousand, four hundred thirteen".

Divisors: 1 7 89 623 18731 131117 1667059 11669413