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3680117 = 7525731
BaseRepresentation
bin1110000010011101110101
320220222011122
432002131311
51420230432
6210513325
743165130
oct16023565
96828148
103680117
112093a21
121295845
139bb0ac
146bb217
154ca612
hex382775

3680117 has 4 divisors (see below), whose sum is σ = 4205856. Its totient is φ = 3154380.

The previous prime is 3680113. The next prime is 3680123. The reversal of 3680117 is 7110863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7110863 = 71100153.

It is a cyclic number.

It is not a de Polignac number, because 3680117 - 22 = 3680113 is a prime.

It is a super-2 number, since 2×36801172 = 27086522267378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3680111) 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, 262859 + ... + 262872.

It is an arithmetic number, because the mean of its divisors is an integer number (1051464).

Almost surely, 23680117 is an apocalyptic number.

It is an amenable number.

3680117 is a deficient number, since it is larger than the sum of its proper divisors (525739).

3680117 is an equidigital number, since it uses as much as digits as its factorization.

3680117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525738.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 3680117 is about 1918.3631043158. The cubic root of 3680117 is about 154.3904887561.

The spelling of 3680117 in words is "three million, six hundred eighty thousand, one hundred seventeen".

Divisors: 1 7 525731 3680117