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8480680 = 2351347347
BaseRepresentation
bin100000010110…
…011110101000
3120221212022021
4200112132220
54132340210
6501434224
7132041005
oct40263650
916855267
108480680
11487272a
122a0b974
1319ac170
1411aa8ac
15b27bda
hex8167a8

8480680 has 64 divisors (see below), whose sum is σ = 21047040. Its totient is φ = 3055872.

The previous prime is 8480677. The next prime is 8480683. The reversal of 8480680 is 860848.

8480680 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8480677) and next prime (8480683).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8480683) 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, 24267 + ... + 24613.

It is an arithmetic number, because the mean of its divisors is an integer number (328860).

Almost surely, 28480680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8480680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10523520).

8480680 is an abundant number, since it is smaller than the sum of its proper divisors (12566360).

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

8480680 is a wasteful number, since it uses less digits than its factorization.

8480680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 8480680 is about 2912.1607098510. The cubic root of 8480680 is about 203.9280150991.

The spelling of 8480680 in words is "eight million, four hundred eighty thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 13 20 26 40 47 52 65 94 104 130 188 235 260 347 376 470 520 611 694 940 1222 1388 1735 1880 2444 2776 3055 3470 4511 4888 6110 6940 9022 12220 13880 16309 18044 22555 24440 32618 36088 45110 65236 81545 90220 130472 163090 180440 212017 326180 424034 652360 848068 1060085 1696136 2120170 4240340 8480680