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2072791530 = 232529794173
BaseRepresentation
bin111101110001100…
…0100100111101010
312100110022201102200
41323203010213222
513221113312110
6541403041030
7102236302665
oct17343044752
95313281380
102072791530
11974044a57
1249a210176
13270582684
141594066dc
15c1e906c0
hex7b8c49ea

2072791530 has 48 divisors (see below), whose sum is σ = 5575101480. Its totient is φ = 533683584.

The previous prime is 2072791519. The next prime is 2072791543. The reversal of 2072791530 is 351972702.

It can be written as a sum of positive squares in 4 ways, for example, as 1825767441 + 247024089 = 42729^2 + 15717^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394477 + ... + 399696.

Almost surely, 22072791530 is an apocalyptic number.

2072791530 is an abundant number, since it is smaller than the sum of its proper divisors (3502309950).

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

2072791530 is a wasteful number, since it uses less digits than its factorization.

2072791530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794215 (or 794212 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 2072791530 is about 45527.9203346694. The cubic root of 2072791530 is about 1275.0245347067.

The spelling of 2072791530 in words is "two billion, seventy-two million, seven hundred ninety-one thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 29 30 45 58 87 90 145 174 261 290 435 522 870 1305 2610 794173 1588346 2382519 3970865 4765038 7147557 7941730 11912595 14295114 23031017 23825190 35737785 46062034 69093051 71475570 115155085 138186102 207279153 230310170 345465255 414558306 690930510 1036395765 2072791530