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54445902 = 2371296331
BaseRepresentation
bin1100111110110…
…0011101001110
310210110010201220
43033230131032
5102414232102
65222544210
71230532260
oct317543516
9123403656
1054445902
1128808015
1216298066
13b383c14
147333b30
154ba71bc
hex33ec74e

54445902 has 16 divisors (see below), whose sum is σ = 124447872. Its totient is φ = 15555960.

The previous prime is 54445829. The next prime is 54445913. The reversal of 54445902 is 20954445.

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, 648124 + ... + 648207.

It is an arithmetic number, because the mean of its divisors is an integer number (7777992).

Almost surely, 254445902 is an apocalyptic number.

54445902 is an abundant number, since it is smaller than the sum of its proper divisors (70001970).

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

54445902 is a wasteful number, since it uses less digits than its factorization.

54445902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296343.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 54445902 is about 7378.7466415374. The cubic root of 54445902 is about 379.0138372338.

The spelling of 54445902 in words is "fifty-four million, four hundred forty-five thousand, nine hundred two".

Divisors: 1 2 3 6 7 14 21 42 1296331 2592662 3888993 7777986 9074317 18148634 27222951 54445902