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3680868 = 223306739
BaseRepresentation
bin1110000010101001100100
320221000012110
432002221210
51420241433
6210521020
743200252
oct16025144
96830173
103680868
112094544
121296170
139bb539
146bb5d2
154ca963
hex382a64

3680868 has 12 divisors (see below), whose sum is σ = 8588720. Its totient is φ = 1226952.

The previous prime is 3680867. The next prime is 3680869. The reversal of 3680868 is 8680863.

It is an interprime number because it is at equal distance from previous prime (3680867) and next prime (3680869).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (3680863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153358 + ... + 153381.

Almost surely, 23680868 is an apocalyptic number.

It is an amenable number.

3680868 is an abundant number, since it is smaller than the sum of its proper divisors (4907852).

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

3680868 is a wasteful number, since it uses less digits than its factorization.

3680868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306746 (or 306744 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 3680868 is about 1918.5588341252. The cubic root of 3680868 is about 154.4009901768.

The spelling of 3680868 in words is "three million, six hundred eighty thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 306739 613478 920217 1226956 1840434 3680868