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313444053 = 3313893003
BaseRepresentation
bin10010101011101…
…100011011010101
3210211210121102000
4102223230123111
51120220202203
651034105513
710524142026
oct2253543325
9724717360
10313444053
11150a2717a
1288b7b299
134cc27170
142d8b2c4d
151c7b74a3
hex12aec6d5

313444053 has 16 divisors (see below), whose sum is σ = 500082240. Its totient is φ = 192888432.

The previous prime is 313444051. The next prime is 313444073. The reversal of 313444053 is 350444313.

It is not a de Polignac number, because 313444053 - 21 = 313444051 is a prime.

It is a super-2 number, since 2×3134440532 = 196494348722133618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313444051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446151 + ... + 446852.

It is an arithmetic number, because the mean of its divisors is an integer number (31255140).

Almost surely, 2313444053 is an apocalyptic number.

It is an amenable number.

313444053 is a deficient number, since it is larger than the sum of its proper divisors (186638187).

313444053 is a wasteful number, since it uses less digits than its factorization.

313444053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893025 (or 893019 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 313444053 is about 17704.3512448211. The cubic root of 313444053 is about 679.2870649355.

Adding to 313444053 its reverse (350444313), we get a palindrome (663888366).

The spelling of 313444053 in words is "three hundred thirteen million, four hundred forty-four thousand, fifty-three".

Divisors: 1 3 9 13 27 39 117 351 893003 2679009 8037027 11609039 24111081 34827117 104481351 313444053