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2040940940 = 225124981703
BaseRepresentation
bin111100110100110…
…0100100110001100
312021020101112122012
41321221210212030
513134440102230
6534304240352
7101401466063
oct17151444614
95236345565
102040940940
11958070155
1248b6100b8
13266ab027c
141550b51da
15be29d395
hex79a6498c

2040940940 has 24 divisors (see below), whose sum is σ = 4289460000. Its totient is φ = 815712768.

The previous prime is 2040940939. The next prime is 2040940981. The reversal of 2040940940 is 490490402.

It is a junction number, because it is equal to n+sod(n) for n = 2040940897 and 2040940906.

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, 15872 + ... + 65831.

It is an arithmetic number, because the mean of its divisors is an integer number (178727500).

Almost surely, 22040940940 is an apocalyptic number.

2040940940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040940940 is an abundant number, since it is smaller than the sum of its proper divisors (2248519060).

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

2040940940 is a wasteful number, since it uses less digits than its factorization.

2040940940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82961 (or 82959 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2040940940 is about 45176.7743425756. The cubic root of 2040940940 is about 1268.4601047978.

The spelling of 2040940940 in words is "two billion, forty million, nine hundred forty thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 1249 2498 4996 6245 12490 24980 81703 163406 326812 408515 817030 1634060 102047047 204094094 408188188 510235235 1020470470 2040940940