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313220467 = 7138132401
BaseRepresentation
bin10010101010110…
…101110101110011
3210211101020201001
4102222311311303
51120141023332
651025222431
710522221130
oct2252656563
9724336631
10313220467
1115089419a
1288a91a17
134cb79471
142d855587
151c7710e7
hex12ab5d73

313220467 has 8 divisors (see below), whose sum is σ = 358236512. Its totient is φ = 268272000.

The previous prime is 313220449. The next prime is 313220477. The reversal of 313220467 is 764022313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313220467 - 211 = 313218419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313220437) 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 7 ways as a sum of consecutive naturals, for example, 6534 + ... + 25867.

It is an arithmetic number, because the mean of its divisors is an integer number (44779564).

Almost surely, 2313220467 is an apocalyptic number.

313220467 is a deficient number, since it is larger than the sum of its proper divisors (45016045).

313220467 is a wasteful number, since it uses less digits than its factorization.

313220467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33789.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 313220467 is about 17698.0356819620. The cubic root of 313220467 is about 679.1255101026.

It can be divided in two parts, 313 and 220467, that added together give a triangular number (220780 = T664).

The spelling of 313220467 in words is "three hundred thirteen million, two hundred twenty thousand, four hundred sixty-seven".

Divisors: 1 7 1381 9667 32401 226807 44745781 313220467