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2057164242 = 237291688969
BaseRepresentation
bin111101010011101…
…1101010111010010
312022100220202211020
41322213131113102
513203113223432
6540044100310
7101656415250
oct17247352722
95270822736
102057164242
11966240a41
12494b34696
1326a270663
141572d95d0
15c090522c
hex7a9dd5d2

2057164242 has 32 divisors (see below), whose sum is σ = 4864233600. Its totient is φ = 567493248.

The previous prime is 2057164211. The next prime is 2057164243. The reversal of 2057164242 is 2424617502.

It is not an unprimeable number, because it can be changed into a prime (2057164243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843267 + ... + 845702.

It is an arithmetic number, because the mean of its divisors is an integer number (152007300).

Almost surely, 22057164242 is an apocalyptic number.

2057164242 is an abundant number, since it is smaller than the sum of its proper divisors (2807069358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2057164242 is a wasteful number, since it uses less digits than its factorization.

2057164242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689010.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 2057164242 is about 45355.9725063855. The cubic root of 2057164242 is about 1271.8122065134.

It can be divided in two parts, 2057164 and 242, that added together give a triangular number (2057406 = T2028).

The spelling of 2057164242 in words is "two billion, fifty-seven million, one hundred sixty-four thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 14 21 29 42 58 87 174 203 406 609 1218 1688969 3377938 5066907 10133814 11822783 23645566 35468349 48980101 70936698 97960202 146940303 293880606 342860707 685721414 1028582121 2057164242