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23124213 = 3272831297
BaseRepresentation
bin101100000110…
…1100011110101
31121111211110100
41120031203311
521404433323
62143344313
7400360350
oct130154365
947454410
1023124213
1112064622
1278b2099
134a38488
1430dd297
15206b943
hex160d8f5

23124213 has 24 divisors (see below), whose sum is σ = 38337728. Its totient is φ = 13156992.

The previous prime is 23124187. The next prime is 23124229. The reversal of 23124213 is 31242132.

It is not a de Polignac number, because 23124213 - 25 = 23124181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23124293) 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 23 ways as a sum of consecutive naturals, for example, 17181 + ... + 18477.

Almost surely, 223124213 is an apocalyptic number.

It is an amenable number.

23124213 is a deficient number, since it is larger than the sum of its proper divisors (15213515).

23124213 is a wasteful number, since it uses less digits than its factorization.

23124213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593 (or 1590 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 23124213 is about 4808.7641863581. The cubic root of 23124213 is about 284.8977287710.

Adding to 23124213 its reverse (31242132), we get a palindrome (54366345).

It can be divided in two parts, 2 and 3124213, that multiplied together give a palindrome (6248426).

The spelling of 23124213 in words is "twenty-three million, one hundred twenty-four thousand, two hundred thirteen".

Divisors: 1 3 7 9 21 63 283 849 1297 1981 2547 3891 5943 9079 11673 17829 27237 81711 367051 1101153 2569357 3303459 7708071 23124213