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2042521790 = 251387314723
BaseRepresentation
bin111100110111110…
…0110100010111110
312021100100212011012
41321233212202332
513140341144130
6534402155222
7101421102011
oct17157464276
95240325135
102042521790
11958a4a941
12490052b12
1326721499a
141553a7378
15be4b1995
hex79be68be

2042521790 has 16 divisors (see below), whose sum is σ = 3677053968. Its totient is φ = 816894336.

The previous prime is 2042521783. The next prime is 2042521829. The reversal of 2042521790 is 971252402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131369 + ... + 146091.

It is an arithmetic number, because the mean of its divisors is an integer number (229815873).

Almost surely, 22042521790 is an apocalyptic number.

2042521790 is a deficient number, since it is larger than the sum of its proper divisors (1634532178).

2042521790 is a wasteful number, since it uses less digits than its factorization.

2042521790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28603.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 2042521790 is about 45194.2672249479. The cubic root of 2042521790 is about 1268.7875236542.

The spelling of 2042521790 in words is "two billion, forty-two million, five hundred twenty-one thousand, seven hundred ninety".

Divisors: 1 2 5 10 13873 14723 27746 29446 69365 73615 138730 147230 204252179 408504358 1021260895 2042521790