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2054915494 = 217832712687
BaseRepresentation
bin111101001111011…
…1000010110100110
312022012200112010021
41322132320112212
513202024243434
6535523545354
7101631331162
oct17236702646
95265615107
102054915494
11964a45475
1249422b25a
13269963c38
14156cb1ca2
15c060dcb4
hex7a7b85a6

2054915494 has 32 divisors (see below), whose sum is σ = 3316432896. Its totient is φ = 951488640.

The previous prime is 2054915483. The next prime is 2054915497. The reversal of 2054915494 is 4945194502.

It is a self number, because there is not a number n which added to its sum of digits gives 2054915494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054915497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763419 + ... + 766105.

It is an arithmetic number, because the mean of its divisors is an integer number (103638528).

Almost surely, 22054915494 is an apocalyptic number.

2054915494 is a deficient number, since it is larger than the sum of its proper divisors (1261517402).

2054915494 is a wasteful number, since it uses less digits than its factorization.

2054915494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 2054915494 is about 45331.1757403225. The cubic root of 2054915494 is about 1271.3486188486.

The spelling of 2054915494 in words is "two billion, fifty-four million, nine hundred fifteen thousand, four hundred ninety-four".

Divisors: 1 2 17 34 83 166 271 542 1411 2687 2822 4607 5374 9214 22493 44986 45679 91358 223021 382381 446042 728177 764762 1456354 3791357 7582714 12379009 24758018 60438691 120877382 1027457747 2054915494