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23215083 = 371108991
BaseRepresentation
bin101100010001…
…1101111101011
31121200110002220
41120203233223
521420340313
62145325123
7401216313
oct130435753
947613086
1023215083
1112116921
1279367a3
134a6a948
143124443
152088823
hex1623beb

23215083 has 8 divisors (see below), whose sum is σ = 31389696. Its totient is φ = 15258600.

The previous prime is 23215079. The next prime is 23215091. The reversal of 23215083 is 38051232.

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

It is not a de Polignac number, because 23215083 - 22 = 23215079 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23215783) 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, 54283 + ... + 54708.

It is an arithmetic number, because the mean of its divisors is an integer number (3923712).

Almost surely, 223215083 is an apocalyptic number.

23215083 is a deficient number, since it is larger than the sum of its proper divisors (8174613).

23215083 is a wasteful number, since it uses less digits than its factorization.

23215083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109065.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 23215083 is about 4818.2032958355. The cubic root of 23215083 is about 285.2704235355.

The spelling of 23215083 in words is "twenty-three million, two hundred fifteen thousand, eighty-three".

Divisors: 1 3 71 213 108991 326973 7738361 23215083