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4680988 = 221390019
BaseRepresentation
bin10001110110110100011100
322210211002221
4101312310130
52144242423
6244155124
754534124
oct21666434
98724087
104680988
112707994
121698aa4
13c7b820
1489bc84
15626e5d
hex476d1c

4680988 has 12 divisors (see below), whose sum is σ = 8821960. Its totient is φ = 2160432.

The previous prime is 4680971. The next prime is 4680997. The reversal of 4680988 is 8890864.

It is a super-2 number, since 2×46809882 = 43823297312288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44958 + ... + 45061.

Almost surely, 24680988 is an apocalyptic number.

It is an amenable number.

4680988 is a deficient number, since it is larger than the sum of its proper divisors (4140972).

4680988 is a wasteful number, since it uses less digits than its factorization.

4680988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90036 (or 90034 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 4680988 is about 2163.5591048086. The cubic root of 4680988 is about 167.2807020959.

The spelling of 4680988 in words is "four million, six hundred eighty thousand, nine hundred eighty-eight".

Divisors: 1 2 4 13 26 52 90019 180038 360076 1170247 2340494 4680988