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314342221 = 379829399
BaseRepresentation
bin10010101111000…
…111101101001101
3210220111020110111
4102233013231031
51120432422341
651105240021
710534602424
oct2257075515
9726436414
10314342221
1115148aa66
1289333011
135017cc1b
142da682bb
151c8e3681
hex12bc7b4d

314342221 has 4 divisors (see below), whose sum is σ = 315172000. Its totient is φ = 313512444.

The previous prime is 314342209. The next prime is 314342243. The reversal of 314342221 is 122243413.

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 314342221 - 227 = 180124493 is a prime.

It is a super-2 number, since 2×3143422212 = 197622063806425682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 314342192 and 314342201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314342321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414321 + ... + 415078.

It is an arithmetic number, because the mean of its divisors is an integer number (78793000).

Almost surely, 2314342221 is an apocalyptic number.

It is an amenable number.

314342221 is a deficient number, since it is larger than the sum of its proper divisors (829779).

314342221 is an equidigital number, since it uses as much as digits as its factorization.

314342221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829778.

The product of its digits is 1152, while the sum is 22.

The square root of 314342221 is about 17729.6988412099. The cubic root of 314342221 is about 679.9352742603.

Adding to 314342221 its reverse (122243413), we get a palindrome (436585634).

The spelling of 314342221 in words is "three hundred fourteen million, three hundred forty-two thousand, two hundred twenty-one".

Divisors: 1 379 829399 314342221