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315300551 = 535949067
BaseRepresentation
bin10010110010110…
…001101011000111
3210222021221001012
4102302301223013
51121204104201
651141552435
710546003406
oct2262615307
9728257035
10315300551
11151a84a75
128971571b
1350427197
142dc3763d
151ca325bb
hex12cb1ac7

315300551 has 4 divisors (see below), whose sum is σ = 321249672. Its totient is φ = 309351432.

The previous prime is 315300529. The next prime is 315300571. The reversal of 315300551 is 155003513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-315300551 is a prime.

It is a super-3 number, since 3×3153005513 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315300571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2974481 + ... + 2974586.

It is an arithmetic number, because the mean of its divisors is an integer number (80312418).

Almost surely, 2315300551 is an apocalyptic number.

315300551 is a deficient number, since it is larger than the sum of its proper divisors (5949121).

315300551 is an equidigital number, since it uses as much as digits as its factorization.

315300551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5949120.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 315300551 is about 17756.7043958050. The cubic root of 315300551 is about 680.6255424570.

The spelling of 315300551 in words is "three hundred fifteen million, three hundred thousand, five hundred fifty-one".

Divisors: 1 53 5949067 315300551