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54866845 = 5112233943
BaseRepresentation
bin1101000101001…
…1001110011101
310211020112011101
43101103032131
5103021214340
65235553101
71234234435
oct321231635
9124215141
1054866845
1128a75300
121645b791
13b4a06b7
1474032c5
154c3bc9a
hex345339d

54866845 has 24 divisors (see below), whose sum is σ = 75535488. Its totient is φ = 38158560.

The previous prime is 54866827. The next prime is 54866849.

54866845 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54866845 - 29 = 54866333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54866795 and 54866804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54866849) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11944 + ... + 15886.

It is an arithmetic number, because the mean of its divisors is an integer number (3147312).

Almost surely, 254866845 is an apocalyptic number.

54866845 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54866845 is a deficient number, since it is larger than the sum of its proper divisors (20668643).

54866845 is a wasteful number, since it uses less digits than its factorization.

54866845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993 (or 3982 counting only the distinct ones).

The product of its digits is 921600, while the sum is 46.

The square root of 54866845 is about 7407.2157387240. The cubic root of 54866845 is about 379.9880998120.

The spelling of 54866845 in words is "fifty-four million, eight hundred sixty-six thousand, eight hundred forty-five".

Divisors: 1 5 11 23 55 115 121 253 605 1265 2783 3943 13915 19715 43373 90689 216865 453445 477103 997579 2385515 4987895 10973369 54866845