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315330420 = 22355255507
BaseRepresentation
bin10010110010111…
…000111101110100
3210222100110000110
4102302320331310
51121211033140
651142343020
710546156446
oct2262707564
9728313013
10315330420
11151aa5459
128972aa70
1350437962
142dc44496
151ca3b380
hex12cb8f74

315330420 has 24 divisors (see below), whose sum is σ = 882925344. Its totient is φ = 84088096.

The previous prime is 315330401. The next prime is 315330439. The reversal of 315330420 is 24033513.

It is an interprime number because it is at equal distance from previous prime (315330401) and next prime (315330439).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2627694 + ... + 2627813.

It is an arithmetic number, because the mean of its divisors is an integer number (36788556).

Almost surely, 2315330420 is an apocalyptic number.

315330420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315330420 is an abundant number, since it is smaller than the sum of its proper divisors (567594924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315330420 is a wasteful number, since it uses less digits than its factorization.

315330420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5255519 (or 5255517 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 315330420 is about 17757.5454384890. The cubic root of 315330420 is about 680.6470340807.

Adding to 315330420 its reverse (24033513), we get a palindrome (339363933).

The spelling of 315330420 in words is "three hundred fifteen million, three hundred thirty thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 5255507 10511014 15766521 21022028 26277535 31533042 52555070 63066084 78832605 105110140 157665210 315330420