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11709493 = 82714159
BaseRepresentation
bin101100101010…
…110000110101
3211000220101221
4230222300311
510444200433
61054550341
7201346315
oct54526065
924026357
1011709493
116678574
123b083b1
13256c9c3
1417ab445
15106472d
hexb2ac35

11709493 has 4 divisors (see below), whose sum is σ = 11724480. Its totient is φ = 11694508.

The previous prime is 11709487. The next prime is 11709517. The reversal of 11709493 is 39490711.

11709493 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 11709493 - 213 = 11701301 is a prime.

It is a super-2 number, since 2×117094932 = 274224452634098, 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 (11709443) 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, 6253 + ... + 7906.

It is an arithmetic number, because the mean of its divisors is an integer number (2931120).

Almost surely, 211709493 is an apocalyptic number.

It is an amenable number.

11709493 is a deficient number, since it is larger than the sum of its proper divisors (14987).

11709493 is an equidigital number, since it uses as much as digits as its factorization.

11709493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14986.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 11709493 is about 3421.9136459005. The cubic root of 11709493 is about 227.0802500456.

The spelling of 11709493 in words is "eleven million, seven hundred nine thousand, four hundred ninety-three".

Divisors: 1 827 14159 11709493