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23420697 = 311876577
BaseRepresentation
bin101100101010…
…1111100011001
31122001220011020
41121111330121
521443430242
62153553053
7403033626
oct131257431
948056136
1023420697
1112247353
127a15789
134b10401
14317934d
1520c96ec
hex1655f19

23420697 has 8 divisors (see below), whose sum is σ = 31258656. Its totient is φ = 15598272.

The previous prime is 23420689. The next prime is 23420729. The reversal of 23420697 is 79602432.

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

It is not a de Polignac number, because 23420697 - 23 = 23420689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23420687) 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, 273 + ... + 6849.

It is an arithmetic number, because the mean of its divisors is an integer number (3907332).

Almost surely, 223420697 is an apocalyptic number.

It is an amenable number.

23420697 is a deficient number, since it is larger than the sum of its proper divisors (7837959).

23420697 is a wasteful number, since it uses less digits than its factorization.

23420697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7767.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 23420697 is about 4839.4934652296. The cubic root of 23420697 is about 286.1101544806.

The spelling of 23420697 in words is "twenty-three million, four hundred twenty thousand, six hundred ninety-seven".

Divisors: 1 3 1187 3561 6577 19731 7806899 23420697