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8412680 = 235210317
BaseRepresentation
bin100000000101…
…111000001000
3120211102000202
4200011320020
54123201210
6500151332
7131335523
oct40057010
916742022
108412680
114826631
122998548
131987223
14118dbba
15b129a5
hex805e08

8412680 has 16 divisors (see below), whose sum is σ = 18928620. Its totient is φ = 3365056.

The previous prime is 8412673. The next prime is 8412683. The reversal of 8412680 is 862148.

It can be written as a sum of positive squares in 2 ways, for example, as 7171684 + 1240996 = 2678^2 + 1114^2 .

It is not an unprimeable number, because it can be changed into a prime (8412683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105119 + ... + 105198.

Almost surely, 28412680 is an apocalyptic number.

It is an amenable number.

8412680 is an abundant number, since it is smaller than the sum of its proper divisors (10515940).

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

8412680 is a wasteful number, since it uses less digits than its factorization.

8412680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210328 (or 210324 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 8412680 is about 2900.4620321597. The cubic root of 8412680 is about 203.3815049056.

The spelling of 8412680 in words is "eight million, four hundred twelve thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 210317 420634 841268 1051585 1682536 2103170 4206340 8412680