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54868623 = 318289541
BaseRepresentation
bin1101000101001…
…1101010001111
310211020121121020
43101103222033
5103021243443
65240005223
71234242555
oct321235217
9124217536
1054868623
1128a76677
1216460813
13b4a1454
147403bd5
154c3c583
hex3453a8f

54868623 has 4 divisors (see below), whose sum is σ = 73158168. Its totient is φ = 36579080.

The previous prime is 54868607. The next prime is 54868631. The reversal of 54868623 is 32686845.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54868623 - 24 = 54868607 is a prime.

It is a super-2 number, since 2×548686232 = 6021131579832258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54868633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9144768 + ... + 9144773.

It is an arithmetic number, because the mean of its divisors is an integer number (18289542).

Almost surely, 254868623 is an apocalyptic number.

54868623 is a deficient number, since it is larger than the sum of its proper divisors (18289545).

54868623 is a wasteful number, since it uses less digits than its factorization.

54868623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18289544.

The product of its digits is 276480, while the sum is 42.

The square root of 54868623 is about 7407.3357558572. The cubic root of 54868623 is about 379.9922043645.

The spelling of 54868623 in words is "fifty-four million, eight hundred sixty-eight thousand, six hundred twenty-three".

Divisors: 1 3 18289541 54868623