Search a number
-
+
313789469 = 744827067
BaseRepresentation
bin10010101101000…
…000110000011101
3210212110011020012
4102231000300131
51120312230334
651045333005
710530111050
oct2255006035
9725404205
10313789469
11151142744
1289107165
1350018456
142d962a97
151c8349ce
hex12b40c1d

313789469 has 4 divisors (see below), whose sum is σ = 358616544. Its totient is φ = 268962396.

The previous prime is 313789459. The next prime is 313789481. The reversal of 313789469 is 964987313.

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 a de Polignac number, because none of the positive numbers 2k-313789469 is a prime.

It is a super-2 number, since 2×3137894692 = 196927661710603922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313789459) 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, 22413527 + ... + 22413540.

It is an arithmetic number, because the mean of its divisors is an integer number (89654136).

Almost surely, 2313789469 is an apocalyptic number.

It is an amenable number.

313789469 is a deficient number, since it is larger than the sum of its proper divisors (44827075).

313789469 is an equidigital number, since it uses as much as digits as its factorization.

313789469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44827074.

The product of its digits is 979776, while the sum is 50.

The square root of 313789469 is about 17714.1036747559. The cubic root of 313789469 is about 679.5364985864.

The spelling of 313789469 in words is "three hundred thirteen million, seven hundred eighty-nine thousand, four hundred sixty-nine".

Divisors: 1 7 44827067 313789469