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875286720 = 263257113947
BaseRepresentation
bin110100001010111…
…101000011000000
32021000000011122200
4310022331003000
53243033133340
6222504233200
730455546220
oct6412750300
92230004580
10875286720
1140a092960
1220516b800
1310c452b49
1484366080
1551c99330
hex342bd0c0

875286720 has 336 divisors, whose sum is σ = 3754453248. Its totient is φ = 181831680.

The previous prime is 875286719. The next prime is 875286739. The reversal of 875286720 is 27682578.

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-2 number, since 2×8752867202 = 1532253684416716800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 219787 + ... + 223733.

It is an arithmetic number, because the mean of its divisors is an integer number (11173968).

Almost surely, 2875286720 is an apocalyptic number.

875286720 is a gapful number since it is divisible by the number (80) 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 875286720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1877226624).

875286720 is an abundant number, since it is smaller than the sum of its proper divisors (2879166528).

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

875286720 is a wasteful number, since it uses less digits than its factorization.

875286720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3988 (or 3975 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 875286720 is about 29585.2449711000. The cubic root of 875286720 is about 956.5700515255.

The spelling of 875286720 in words is "eight hundred seventy-five million, two hundred eighty-six thousand, seven hundred twenty".