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313503425 = 5241305857
BaseRepresentation
bin10010101011111…
…010111011000001
3210211220121211222
4102223322323001
51120224102200
651035244425
710524510104
oct2253727301
9724817758
10313503425
11150a67844
1288ba9715
134cc481b1
142d8ca73b
151c7c9d85
hex12afaec1

313503425 has 12 divisors (see below), whose sum is σ = 398227116. Its totient is φ = 244684800.

The previous prime is 313503397. The next prime is 313503431. The reversal of 313503425 is 524305313.

It can be written as a sum of positive squares in 6 ways, for example, as 47389456 + 266113969 = 6884^2 + 16313^2 .

It is not a de Polignac number, because 313503425 - 26 = 313503361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313503394 and 313503403.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151904 + ... + 153953.

It is an arithmetic number, because the mean of its divisors is an integer number (33185593).

Almost surely, 2313503425 is an apocalyptic number.

It is an amenable number.

313503425 is a deficient number, since it is larger than the sum of its proper divisors (84723691).

313503425 is a wasteful number, since it uses less digits than its factorization.

313503425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305908 (or 305903 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 313503425 is about 17706.0279283638. The cubic root of 313503425 is about 679.3299519994.

Adding to 313503425 its reverse (524305313), we get a palindrome (837808738).

The spelling of 313503425 in words is "three hundred thirteen million, five hundred three thousand, four hundred twenty-five".

Divisors: 1 5 25 41 205 1025 305857 1529285 7646425 12540137 62700685 313503425