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1880807472 = 243336711863
BaseRepresentation
bin111000000011010…
…1101100000110000
311212002001220211000
41300012231200300
512322441314342
6510344122000
764415412465
oct16006554060
94762056730
101880807472
11885737545
12445a66300
1323c873b3b
1413bb0d66c
15b01bb44c
hex701ad830

1880807472 has 80 divisors (see below), whose sum is σ = 5413780480. Its totient is φ = 625174848.

The previous prime is 1880807459. The next prime is 1880807477. The reversal of 1880807472 is 2747080881.

It is not an unprimeable number, because it can be changed into a prime (1880807477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152613 + ... + 164475.

It is an arithmetic number, because the mean of its divisors is an integer number (67672256).

Almost surely, 21880807472 is an apocalyptic number.

1880807472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1880807472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2706890240).

1880807472 is an abundant number, since it is smaller than the sum of its proper divisors (3532973008).

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

1880807472 is a wasteful number, since it uses less digits than its factorization.

1880807472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12247 (or 12235 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 45.

The square root of 1880807472 is about 43368.2772542327. The cubic root of 1880807472 is about 1234.3778323554.

The spelling of 1880807472 in words is "one billion, eight hundred eighty million, eight hundred seven thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 367 432 734 1101 1468 2202 2936 3303 4404 5872 6606 8808 9909 11863 13212 17616 19818 23726 26424 35589 39636 47452 52848 71178 79272 94904 106767 142356 158544 189808 213534 284712 320301 427068 569424 640602 854136 1281204 1708272 2562408 4353721 5124816 8707442 13061163 17414884 26122326 34829768 39183489 52244652 69659536 78366978 104489304 117550467 156733956 208978608 235100934 313467912 470201868 626935824 940403736 1880807472