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2054257964 = 221146687681
BaseRepresentation
bin111101001110001…
…0111110100101100
312022011110010011022
41322130113310230
513201342223324
6535501513312
7101622622163
oct17234276454
95264403138
102054257964
11964636460
12493b72838
13269793875
14156b803da
15c052e05e
hex7a717d2c

2054257964 has 12 divisors (see below), whose sum is σ = 3921765288. Its totient is φ = 933753600.

The previous prime is 2054257943. The next prime is 2054257987. The reversal of 2054257964 is 4697524502.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 46687681 = 2054257964 / (2 + 0 + 5 + 4 + 2 + 5 + 7 + 9 + 6 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23343797 + ... + 23343884.

It is an arithmetic number, because the mean of its divisors is an integer number (326813774).

Almost surely, 22054257964 is an apocalyptic number.

It is an amenable number.

2054257964 is a deficient number, since it is larger than the sum of its proper divisors (1867507324).

2054257964 is a wasteful number, since it uses less digits than its factorization.

2054257964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46687696 (or 46687694 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 2054257964 is about 45323.9226457728. The cubic root of 2054257964 is about 1271.2130027227.

The spelling of 2054257964 in words is "two billion, fifty-four million, two hundred fifty-seven thousand, nine hundred sixty-four".

Divisors: 1 2 4 11 22 44 46687681 93375362 186750724 513564491 1027128982 2054257964