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54511940 = 2257401971
BaseRepresentation
bin1100111111110…
…0100101000100
310210120111022202
43033330211010
5102423340230
65224214032
71231225640
oct317744504
9123514282
1054511940
112885269a
121630a318
13b3a7cb2
14734dc20
154bbba45
hex33fc944

54511940 has 48 divisors (see below), whose sum is σ = 131289984. Its totient is φ = 18624000.

The previous prime is 54511939. The next prime is 54511957. The reversal of 54511940 is 4911545.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55655 + ... + 56625.

It is an arithmetic number, because the mean of its divisors is an integer number (2735208).

Almost surely, 254511940 is an apocalyptic number.

It is an amenable number.

54511940 is an abundant number, since it is smaller than the sum of its proper divisors (76778044).

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

54511940 is a wasteful number, since it uses less digits than its factorization.

54511940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 54511940 is about 7383.2201646707. The cubic root of 54511940 is about 379.1670119279.

The spelling of 54511940 in words is "fifty-four million, five hundred eleven thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 401 802 971 1604 1942 2005 2807 3884 4010 4855 5614 6797 8020 9710 11228 13594 14035 19420 27188 28070 33985 56140 67970 135940 389371 778742 1557484 1946855 2725597 3893710 5451194 7787420 10902388 13627985 27255970 54511940