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319414465 = 563882893
BaseRepresentation
bin10011000010011…
…110000011000001
3211021000221021101
4103002132003001
51123232230330
651410054401
710625656336
oct2302360301
9737027241
10319414465
111543348a7
128ab7a401
1351237856
14305c898d
151d0964ca
hex1309e0c1

319414465 has 4 divisors (see below), whose sum is σ = 383297364. Its totient is φ = 255531568.

The previous prime is 319414463. The next prime is 319414471. The reversal of 319414465 is 564414913.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564414913 = 4211340653.

It can be written as a sum of positive squares in 2 ways, for example, as 241833601 + 77580864 = 15551^2 + 8808^2 .

It is a cyclic number.

It is not a de Polignac number, because 319414465 - 21 = 319414463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (319414463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31941442 + ... + 31941451.

It is an arithmetic number, because the mean of its divisors is an integer number (95824341).

Almost surely, 2319414465 is an apocalyptic number.

It is an amenable number.

319414465 is a deficient number, since it is larger than the sum of its proper divisors (63882899).

319414465 is an equidigital number, since it uses as much as digits as its factorization.

319414465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63882898.

The product of its digits is 51840, while the sum is 37.

The square root of 319414465 is about 17872.1701256451. The cubic root of 319414465 is about 683.5729361362.

The spelling of 319414465 in words is "three hundred nineteen million, four hundred fourteen thousand, four hundred sixty-five".

Divisors: 1 5 63882893 319414465