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4680681 = 31560227
BaseRepresentation
bin10001110110101111101001
322210210200120
4101312233221
52144240211
6244153453
754533205
oct21665751
98723616
104680681
112707735
121698889
13c7b645
1489bb05
15626d06
hex476be9

4680681 has 4 divisors (see below), whose sum is σ = 6240912. Its totient is φ = 3120452.

The previous prime is 4680677. The next prime is 4680701. The reversal of 4680681 is 1860864.

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.

It is a cyclic number.

It is not a de Polignac number, because 4680681 - 22 = 4680677 is a prime.

It is a super-2 number, since 2×46806812 = 43817549247522, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4680881) 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, 780111 + ... + 780116.

It is an arithmetic number, because the mean of its divisors is an integer number (1560228).

Almost surely, 24680681 is an apocalyptic number.

It is an amenable number.

4680681 is a deficient number, since it is larger than the sum of its proper divisors (1560231).

4680681 is a wasteful number, since it uses less digits than its factorization.

4680681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560230.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 4680681 is about 2163.4881557337. The cubic root of 4680681 is about 167.2770450119.

The spelling of 4680681 in words is "four million, six hundred eighty thousand, six hundred eighty-one".

Divisors: 1 3 1560227 4680681