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2045948872 = 231141567059
BaseRepresentation
bin111100111110010…
…1011001111001000
312021120210222020011
41321330223033020
513142230330442
6535003441304
7101462164342
oct17174531710
95246728204
102045948872
1195a980740
12491226234
13267b44846
14155a1a292
15be93c117
hex79f2b3c8

2045948872 has 32 divisors (see below), whose sum is σ = 4286973600. Its totient is φ = 907292800.

The previous prime is 2045948813. The next prime is 2045948893. The reversal of 2045948872 is 2788495402.

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, 279922 + ... + 287137.

It is an arithmetic number, because the mean of its divisors is an integer number (133967925).

Almost surely, 22045948872 is an apocalyptic number.

2045948872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2045948872 is an abundant number, since it is smaller than the sum of its proper divisors (2241024728).

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

2045948872 is a wasteful number, since it uses less digits than its factorization.

2045948872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567117 (or 567113 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The square root of 2045948872 is about 45232.1663421066. The cubic root of 2045948872 is about 1269.4967464797.

The spelling of 2045948872 in words is "two billion, forty-five million, nine hundred forty-eight thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 11 22 41 44 82 88 164 328 451 902 1804 3608 567059 1134118 2268236 4536472 6237649 12475298 23249419 24950596 46498838 49901192 92997676 185995352 255743609 511487218 1022974436 2045948872