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4680399 = 31560133
BaseRepresentation
bin10001110110101011001111
322210210022010
4101312223033
52144233044
6244152303
754532323
oct21665317
98723263
104680399
1127074a9
121698693
13c7b489
1489b983
15626bb9
hex476acf

4680399 has 4 divisors (see below), whose sum is σ = 6240536. Its totient is φ = 3120264.

The previous prime is 4680383. The next prime is 4680407. The reversal of 4680399 is 9930864.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4680399 - 24 = 4680383 is a prime.

It is a super-2 number, since 2×46803992 = 43812269598402, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

4680399 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4680199) 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, 780064 + ... + 780069.

It is an arithmetic number, because the mean of its divisors is an integer number (1560134).

Almost surely, 24680399 is an apocalyptic number.

4680399 is a deficient number, since it is larger than the sum of its proper divisors (1560137).

4680399 is a wasteful number, since it uses less digits than its factorization.

4680399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560136.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 4680399 is about 2163.4229822205. The cubic root of 4680399 is about 167.2736855952.

The spelling of 4680399 in words is "four million, six hundred eighty thousand, three hundred ninety-nine".

Divisors: 1 3 1560133 4680399