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2690393992 = 2311132351743
BaseRepresentation
bin1010000001011100…
…0010011110001000
320221111110011201221
42200113002132020
521002220101432
61122544251424
7123445654156
oct24027023610
96844404657
102690393992
111160725910
12631010b74
1333b502310
141b74523d6
1510b2d8b97
hexa05c2788

2690393992 has 32 divisors (see below), whose sum is σ = 5926394880. Its totient is φ = 1128836160.

The previous prime is 2690393969. The next prime is 2690394017. The reversal of 2690393992 is 2993930962.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 1174728 + ... + 1177015.

It is an arithmetic number, because the mean of its divisors is an integer number (185199840).

Almost surely, 22690393992 is an apocalyptic number.

2690393992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2690393992 is an abundant number, since it is smaller than the sum of its proper divisors (3236000888).

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

2690393992 is a wasteful number, since it uses less digits than its factorization.

2690393992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351773 (or 2351769 counting only the distinct ones).

The product of its (nonzero) digits is 1417176, while the sum is 52.

The square root of 2690393992 is about 51869.0080105645. The cubic root of 2690393992 is about 1390.8233122572.

The spelling of 2690393992 in words is "two billion, six hundred ninety million, three hundred ninety-three thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 104 143 286 572 1144 2351743 4703486 9406972 18813944 25869173 30572659 51738346 61145318 103476692 122290636 206953384 244581272 336299249 672598498 1345196996 2690393992