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2644830672 = 243115009149
BaseRepresentation
bin1001110110100100…
…1110100111010000
320211022201022121120
42131221032213100
520404034040142
61114235522240
7122353455411
oct23551164720
96738638546
102644830672
111137a35480
126198b9380
13331c3b483
141b1391808
151072d87ec
hex9da4e9d0

2644830672 has 40 divisors (see below), whose sum is σ = 7453615200. Its totient is φ = 801463680.

The previous prime is 2644830667. The next prime is 2644830673. The reversal of 2644830672 is 2760384462.

2644830672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2644830673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2504047 + ... + 2505102.

It is an arithmetic number, because the mean of its divisors is an integer number (186340380).

Almost surely, 22644830672 is an apocalyptic number.

2644830672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2644830672 is an abundant number, since it is smaller than the sum of its proper divisors (4808784528).

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

2644830672 is a wasteful number, since it uses less digits than its factorization.

2644830672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009171 (or 5009165 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The square root of 2644830672 is about 51427.9172434583. The cubic root of 2644830672 is about 1382.9271118581.

The spelling of 2644830672 in words is "two billion, six hundred forty-four million, eight hundred thirty thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 5009149 10018298 15027447 20036596 30054894 40073192 55100639 60109788 80146384 110201278 120219576 165301917 220402556 240439152 330603834 440805112 661207668 881610224 1322415336 2644830672