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2690732928 = 27313539009
BaseRepresentation
bin1010000001100001…
…0101001110000000
320221112002101200010
42200120111032000
521002311423203
61122555424520
7123451565262
oct24030251600
96845071603
102690732928
111160937524
12631155140
1333b5c0680
141b74ddb32
1510b354303
hexa0615380

2690732928 has 64 divisors (see below), whose sum is σ = 7697062800. Its totient is φ = 827916288.

The previous prime is 2690732911. The next prime is 2690732999. The reversal of 2690732928 is 8292370962.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 264513 + ... + 274496.

Almost surely, 22690732928 is an apocalyptic number.

It is an amenable number.

2690732928 is an abundant number, since it is smaller than the sum of its proper divisors (5006329872).

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

2690732928 is a wasteful number, since it uses less digits than its factorization.

2690732928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539039 (or 539027 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 2690732928 is about 51872.2751380735. The cubic root of 2690732928 is about 1390.8817151401.

The spelling of 2690732928 in words is "two billion, six hundred ninety million, seven hundred thirty-two thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 208 312 384 416 624 832 1248 1664 2496 4992 539009 1078018 1617027 2156036 3234054 4312072 6468108 7007117 8624144 12936216 14014234 17248288 21021351 25872432 28028468 34496576 42042702 51744864 56056936 68993152 84085404 103489728 112113872 168170808 206979456 224227744 336341616 448455488 672683232 896910976 1345366464 2690732928