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315421007 = 11157182641
BaseRepresentation
bin10010110011001…
…111000101001111
3210222112001021112
4102303033011033
51121221433012
651144322235
710550014526
oct2263170517
9728461245
10315421007
11152057520
128977337b
1350469c65
142dc694bd
151ca58122
hex12ccf14f

315421007 has 8 divisors (see below), whose sum is σ = 346289232. Its totient is φ = 284918400.

The previous prime is 315421003. The next prime is 315421013. The reversal of 315421007 is 700124513.

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 315421007 - 22 = 315421003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315421003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89594 + ... + 93047.

It is an arithmetic number, because the mean of its divisors is an integer number (43286154).

Almost surely, 2315421007 is an apocalyptic number.

315421007 is a deficient number, since it is larger than the sum of its proper divisors (30868225).

315421007 is a wasteful number, since it uses less digits than its factorization.

315421007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182809.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 315421007 is about 17760.0959175338. The cubic root of 315421007 is about 680.7122057923.

The spelling of 315421007 in words is "three hundred fifteen million, four hundred twenty-one thousand, seven".

Divisors: 1 11 157 1727 182641 2009051 28674637 315421007