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4959681 = 31653227
BaseRepresentation
bin10010111010110111000001
3100022222101220
4102322313001
52232202211
6254145253
760104466
oct22726701
910288356
104959681
112888311
1217b2229
13104862c
1493166d
1567e806
hex4badc1

4959681 has 4 divisors (see below), whose sum is σ = 6612912. Its totient is φ = 3306452.

The previous prime is 4959679. The next prime is 4959701. The reversal of 4959681 is 1869594.

4959681 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 4959681 - 21 = 4959679 is a prime.

It is a super-2 number, since 2×49596812 = 49196871243522, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4959641) 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, 826611 + ... + 826616.

It is an arithmetic number, because the mean of its divisors is an integer number (1653228).

Almost surely, 24959681 is an apocalyptic number.

4959681 is the 1409-th centered pentagonal number.

It is an amenable number.

4959681 is a deficient number, since it is larger than the sum of its proper divisors (1653231).

4959681 is a wasteful number, since it uses less digits than its factorization.

4959681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653230.

The product of its digits is 77760, while the sum is 42.

The square root of 4959681 is about 2227.0341263663. The cubic root of 4959681 is about 170.5367235133.

The spelling of 4959681 in words is "four million, nine hundred fifty-nine thousand, six hundred eighty-one".

Divisors: 1 3 1653227 4959681