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4680388 = 221497853
BaseRepresentation
bin10001110110101011000100
322210210021201
4101312223010
52144233023
6244152244
754532306
oct21665304
98723251
104680388
112707499
121698684
13c7b47b
1489b976
15626bad
hex476ac4

4680388 has 12 divisors (see below), whose sum is σ = 8246700. Its totient is φ = 2324192.

The previous prime is 4680383. The next prime is 4680407. The reversal of 4680388 is 8830864.

It can be written as a sum of positive squares in 2 ways, for example, as 278784 + 4401604 = 528^2 + 2098^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4680383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3331 + ... + 4522.

It is an arithmetic number, because the mean of its divisors is an integer number (687225).

Almost surely, 24680388 is an apocalyptic number.

It is an amenable number.

4680388 is a deficient number, since it is larger than the sum of its proper divisors (3566312).

4680388 is a wasteful number, since it uses less digits than its factorization.

4680388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8006 (or 8004 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 4680388 is about 2163.4204399515. The cubic root of 4680388 is about 167.2735545514.

The spelling of 4680388 in words is "four million, six hundred eighty thousand, three hundred eighty-eight".

Divisors: 1 2 4 149 298 596 7853 15706 31412 1170097 2340194 4680388