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2570840538 = 237172211801
BaseRepresentation
bin1001100100111011…
…1110100111011010
320122011111020020020
42121032332213122
520231113344123
61103034011310
7120464532630
oct23116764732
96564436206
102570840538
1110aa199602
125b8b76b36
1331c803726
141a5611350
15100a707e3
hex993be9da

2570840538 has 48 divisors (see below), whose sum is σ = 6242228544. Its totient is φ = 691315200.

The previous prime is 2570840533. The next prime is 2570840539. The reversal of 2570840538 is 8350480752.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 2570840538.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2570840533) 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 23 ways as a sum of consecutive naturals, for example, 93763 + ... + 118038.

It is an arithmetic number, because the mean of its divisors is an integer number (130046428).

Almost surely, 22570840538 is an apocalyptic number.

2570840538 is an abundant number, since it is smaller than the sum of its proper divisors (3671388006).

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

2570840538 is a wasteful number, since it uses less digits than its factorization.

2570840538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211847 (or 211830 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 2570840538 is about 50703.4568643993. The cubic root of 2570840538 is about 1369.9089818233.

The spelling of 2570840538 in words is "two billion, five hundred seventy million, eight hundred forty thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 238 289 357 578 714 867 1734 2023 4046 6069 12138 211801 423602 635403 1270806 1482607 2965214 3600617 4447821 7201234 8895642 10801851 21603702 25204319 50408638 61210489 75612957 122420978 151225914 183631467 367262934 428473423 856946846 1285420269 2570840538