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54611980 = 2252730599
BaseRepresentation
bin1101000001010…
…1000000001100
310210202120112221
43100111000030
5102440040410
65230305124
71232123413
oct320250014
9123676487
1054611980
1128910875
12163581a4
13b4116a7
14737847a
154bdb4da
hex341500c

54611980 has 12 divisors (see below), whose sum is σ = 114685200. Its totient is φ = 21844784.

The previous prime is 54611941. The next prime is 54611981. The reversal of 54611980 is 8911645.

It is not an unprimeable number, because it can be changed into a prime (54611981) 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, 1365280 + ... + 1365319.

It is an arithmetic number, because the mean of its divisors is an integer number (9557100).

Almost surely, 254611980 is an apocalyptic number.

It is an amenable number.

54611980 is an abundant number, since it is smaller than the sum of its proper divisors (60073220).

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

54611980 is a wasteful number, since it uses less digits than its factorization.

54611980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730608 (or 2730606 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 54611980 is about 7389.9918809157. The cubic root of 54611980 is about 379.3988185583.

The spelling of 54611980 in words is "fifty-four million, six hundred eleven thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 2730599 5461198 10922396 13652995 27305990 54611980