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54768540 = 2235912809
BaseRepresentation
bin1101000011101…
…1001110011100
310211001112022110
43100323032130
5103010043130
65233514020
71233345021
oct320731634
9124045273
1054768540
1128a08462
1216412910
13b467a28
1473b9548
154c1cab0
hex343b39c

54768540 has 24 divisors (see below), whose sum is σ = 153352080. Its totient is φ = 14604928.

The previous prime is 54768521. The next prime is 54768551. The reversal of 54768540 is 4586745.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456345 + ... + 456464.

It is an arithmetic number, because the mean of its divisors is an integer number (6389670).

Almost surely, 254768540 is an apocalyptic number.

It is an amenable number.

54768540 is an abundant number, since it is smaller than the sum of its proper divisors (98583540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54768540 is a wasteful number, since it uses less digits than its factorization.

54768540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912821 (or 912819 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 54768540 is about 7400.5770045315. The cubic root of 54768540 is about 379.7610224098.

The spelling of 54768540 in words is "fifty-four million, seven hundred sixty-eight thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 912809 1825618 2738427 3651236 4564045 5476854 9128090 10953708 13692135 18256180 27384270 54768540