Search a number
-
+
3130320439 = 4176349279
BaseRepresentation
bin1011101010010100…
…1110011000110111
322002011020202101001
42322211032120313
522402330223224
61234341344131
7140400166441
oct27245163067
98064222331
103130320439
111366a91094
12734408047
133ab6b2b1c
14219a4b491
15134c37544
hexba94e637

3130320439 has 4 divisors (see below), whose sum is σ = 3206669760. Its totient is φ = 3053971120.

The previous prime is 3130320421. The next prime is 3130320443. The reversal of 3130320439 is 9340230313.

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

It is a cyclic number.

It is not a de Polignac number, because 3130320439 - 213 = 3130312247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130320409) 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, 38174599 + ... + 38174680.

It is an arithmetic number, because the mean of its divisors is an integer number (801667440).

Almost surely, 23130320439 is an apocalyptic number.

3130320439 is a deficient number, since it is larger than the sum of its proper divisors (76349321).

3130320439 is an equidigital number, since it uses as much as digits as its factorization.

3130320439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76349320.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 3130320439 is about 55949.2666529241. The cubic root of 3130320439 is about 1462.8381084404.

The spelling of 3130320439 in words is "three billion, one hundred thirty million, three hundred twenty thousand, four hundred thirty-nine".

Divisors: 1 41 76349279 3130320439