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23690697 = 37896899
BaseRepresentation
bin101101001011…
…1110111001001
31122120121112020
41122113313021
522031100242
62203435053
7405240042
oct132276711
948517466
1023690697
1112411198
127b25a89
134ba6284
1432098c9
15212e6ec
hex1697dc9

23690697 has 4 divisors (see below), whose sum is σ = 31587600. Its totient is φ = 15793796.

The previous prime is 23690687. The next prime is 23690717. The reversal of 23690697 is 79609632.

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 23690697 - 26 = 23690633 is a prime.

It is a super-2 number, since 2×236906972 = 1122498248691618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23690677) 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, 3948447 + ... + 3948452.

It is an arithmetic number, because the mean of its divisors is an integer number (7896900).

Almost surely, 223690697 is an apocalyptic number.

It is an amenable number.

23690697 is a deficient number, since it is larger than the sum of its proper divisors (7896903).

23690697 is an equidigital number, since it uses as much as digits as its factorization.

23690697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7896902.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 23690697 is about 4867.3090101205. The cubic root of 23690697 is about 287.2054076322.

The spelling of 23690697 in words is "twenty-three million, six hundred ninety thousand, six hundred ninety-seven".

Divisors: 1 3 7896899 23690697