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2054239190 = 255319919477
BaseRepresentation
bin111101001110001…
…0011001111010110
312022011102011101222
41322130103033112
513201341123230
6535501250342
7101622513353
oct17234231726
95264364358
102054239190
11964623343
12493b639b2
13269788163
14156b7762a
15c05286e5
hex7a7133d6

2054239190 has 32 divisors (see below), whose sum is σ = 3786523200. Its totient is φ = 802099584.

The previous prime is 2054239163. The next prime is 2054239247. The reversal of 2054239190 is 919324502.

It is a super-2 number, since 2×20542391902 = 8439797299463712200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2054239190.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95732 + ... + 115208.

It is an arithmetic number, because the mean of its divisors is an integer number (118328850).

Almost surely, 22054239190 is an apocalyptic number.

2054239190 is a deficient number, since it is larger than the sum of its proper divisors (1732284010).

2054239190 is a wasteful number, since it uses less digits than its factorization.

2054239190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19736.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 2054239190 is about 45323.7155361296. The cubic root of 2054239190 is about 1271.2091301442.

The spelling of 2054239190 in words is "two billion, fifty-four million, two hundred thirty-nine thousand, one hundred ninety".

Divisors: 1 2 5 10 53 106 199 265 398 530 995 1990 10547 19477 21094 38954 52735 97385 105470 194770 1032281 2064562 3875923 5161405 7751846 10322810 19379615 38759230 205423919 410847838 1027119595 2054239190