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2054193490 = 251072238609
BaseRepresentation
bin111101001110000…
…1000000101010010
312022011022211201101
41322130020011102
513201333142430
6535500255014
7101622233206
oct17234100522
95264284641
102054193490
119645a1a78
12493b4146a
1326977040b
14156b64b06
15c0519dca
hex7a708152

2054193490 has 32 divisors (see below), whose sum is σ = 3749276160. Its totient is φ = 810253824.

The previous prime is 2054193413. The next prime is 2054193509. The reversal of 2054193490 is 943914502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234306 + ... + 242914.

It is an arithmetic number, because the mean of its divisors is an integer number (117164880).

Almost surely, 22054193490 is an apocalyptic number.

2054193490 is a deficient number, since it is larger than the sum of its proper divisors (1695082670).

2054193490 is a wasteful number, since it uses less digits than its factorization.

2054193490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8946.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 2054193490 is about 45323.2113822487. The cubic root of 2054193490 is about 1271.1997033471.

The spelling of 2054193490 in words is "two billion, fifty-four million, one hundred ninety-three thousand, four hundred ninety".

Divisors: 1 2 5 10 107 214 223 446 535 1070 1115 2230 8609 17218 23861 43045 47722 86090 119305 238610 921163 1842326 1919807 3839614 4605815 9211630 9599035 19198070 205419349 410838698 1027096745 2054193490