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2040031872 = 27332772131
BaseRepresentation
bin111100110011000…
…0110101010000000
312021011200100122000
41321212012222000
513134222004442
6534232544000
7101360661534
oct17146065200
95234610560
102040031872
119575aa15a
1248b252000
13266852568
14154d19bc4
15be16dd4c
hex79986a80

2040031872 has 128 divisors (see below), whose sum is σ = 6045499200. Its totient is φ = 677237760.

The previous prime is 2040031871. The next prime is 2040031907. The reversal of 2040031872 is 2781300402.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2040031871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 956247 + ... + 958377.

Almost surely, 22040031872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2040031872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3022749600).

2040031872 is an abundant number, since it is smaller than the sum of its proper divisors (4005467328).

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

2040031872 is a wasteful number, since it uses less digits than its factorization.

2040031872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431 (or 2413 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2040031872 is about 45166.7119901372. The cubic root of 2040031872 is about 1268.2717459685.

The spelling of 2040031872 in words is "two billion, forty million, thirty-one thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 277 288 384 432 554 576 831 864 1108 1152 1662 1728 2131 2216 2493 3324 3456 4262 4432 4986 6393 6648 7479 8524 8864 9972 12786 13296 14958 17048 17728 19179 19944 25572 26592 29916 34096 35456 38358 39888 51144 53184 57537 59832 68192 76716 79776 102288 106368 115074 119664 136384 153432 159552 204576 230148 239328 272768 306864 319104 409152 460296 478656 590287 613728 818304 920592 957312 1180574 1227456 1770861 1841184 2361148 2454912 3541722 3682368 4722296 5312583 7083444 7364736 9444592 10625166 14166888 15937749 18889184 21250332 28333776 31875498 37778368 42500664 56667552 63750996 75556736 85001328 113335104 127501992 170002656 226670208 255003984 340005312 510007968 680010624 1020015936 2040031872