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23870407 = 114746171
BaseRepresentation
bin101101100001…
…1101111000111
31122220202001011
41123003233013
522102323112
62211343051
7406616011
oct133035707
948822034
1023870407
1112524210
127bb1a87
134c3a002
1432551b1
152167aa7
hex16c3bc7

23870407 has 8 divisors (see below), whose sum is σ = 26595072. Its totient is φ = 21238200.

The previous prime is 23870387. The next prime is 23870411. The reversal of 23870407 is 70407832.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23870407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23870507) 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, 22569 + ... + 23602.

It is an arithmetic number, because the mean of its divisors is an integer number (3324384).

Almost surely, 223870407 is an apocalyptic number.

23870407 is a deficient number, since it is larger than the sum of its proper divisors (2724665).

23870407 is a wasteful number, since it uses less digits than its factorization.

23870407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46229.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 23870407 is about 4885.7350521697. The cubic root of 23870407 is about 287.9297949697.

The spelling of 23870407 in words is "twenty-three million, eight hundred seventy thousand, four hundred seven".

Divisors: 1 11 47 517 46171 507881 2170037 23870407