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675875680 = 2555971597
BaseRepresentation
bin101000010010010…
…000101101100000
31202002210001010121
4220102100231200
52341011010210
6151022210024
722514564014
oct5022205540
91662701117
10675875680
11317572447
1216a423914
13aa04394c
1465a98544
153e5096da
hex28490b60

675875680 has 48 divisors (see below), whose sum is σ = 1623842640. Its totient is φ = 265764352.

The previous prime is 675875617. The next prime is 675875687. The reversal of 675875680 is 86578576.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675875687) 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, 26359 + ... + 45238.

It is an arithmetic number, because the mean of its divisors is an integer number (33830055).

Almost surely, 2675875680 is an apocalyptic number.

It is an amenable number.

675875680 is an abundant number, since it is smaller than the sum of its proper divisors (947966960).

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

675875680 is a wasteful number, since it uses less digits than its factorization.

675875680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71671 (or 71663 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 52.

The square root of 675875680 is about 25997.6091208403. The cubic root of 675875680 is about 877.5844914490.

The spelling of 675875680 in words is "six hundred seventy-five million, eight hundred seventy-five thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 59 80 118 160 236 295 472 590 944 1180 1888 2360 4720 9440 71597 143194 286388 357985 572776 715970 1145552 1431940 2291104 2863880 4224223 5727760 8448446 11455520 16896892 21121115 33793784 42242230 67587568 84484460 135175136 168968920 337937840 675875680