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23112061 = 717359541
BaseRepresentation
bin101100000101…
…0100101111101
31121111012210021
41120022211331
521404041221
62143212141
7400310050
oct130124575
947435707
1023112061
1112056485
1278a7051
134a32a9b
1430d8a97
152068041
hex160a97d

23112061 has 16 divisors (see below), whose sum is σ = 28097280. Its totient is φ = 18558720.

The previous prime is 23112053. The next prime is 23112073. The reversal of 23112061 is 16021132.

It is a cyclic number.

It is not a de Polignac number, because 23112061 - 23 = 23112053 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 (23112031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42451 + ... + 42991.

It is an arithmetic number, because the mean of its divisors is an integer number (1756080).

Almost surely, 223112061 is an apocalyptic number.

It is an amenable number.

23112061 is a deficient number, since it is larger than the sum of its proper divisors (4985219).

23112061 is a wasteful number, since it uses less digits than its factorization.

23112061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 23112061 is about 4807.5004940197. The cubic root of 23112061 is about 284.8478145126.

Adding to 23112061 its reverse (16021132), we get a palindrome (39133193).

The spelling of 23112061 in words is "twenty-three million, one hundred twelve thousand, sixty-one".

Divisors: 1 7 17 119 359 541 2513 3787 6103 9197 42721 64379 194219 1359533 3301723 23112061