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2054479884 = 223171206657
BaseRepresentation
bin111101001110100…
…1110000000001100
312022011212101120120
41322131032000030
513201421324014
6535510344540
7101624535162
oct17235160014
95264771516
102054479884
11964778166
1249405b150
13269840892
14156bdb232
15c0574ba9
hex7a74e00c

2054479884 has 12 divisors (see below), whose sum is σ = 4793786424. Its totient is φ = 684826624.

The previous prime is 2054479883. The next prime is 2054479901. The reversal of 2054479884 is 4889744502.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2054479883) 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, 85603317 + ... + 85603340.

It is an arithmetic number, because the mean of its divisors is an integer number (399482202).

Almost surely, 22054479884 is an apocalyptic number.

It is an amenable number.

2054479884 is an abundant number, since it is smaller than the sum of its proper divisors (2739306540).

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

2054479884 is a wasteful number, since it uses less digits than its factorization.

2054479884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171206664 (or 171206662 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The square root of 2054479884 is about 45326.3707349265. The cubic root of 2054479884 is about 1271.2587771477.

The spelling of 2054479884 in words is "two billion, fifty-four million, four hundred seventy-nine thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 12 171206657 342413314 513619971 684826628 1027239942 2054479884