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315720006 = 2377517143
BaseRepresentation
bin10010110100011…
…000000101000110
3211000002020102120
4102310120011012
51121311020011
651154550410
710552401330
oct2264300506
9730066376
10315720006
11152241128
1289898406
1350543094
142dd06450
151cab6a06
hex12d18146

315720006 has 16 divisors (see below), whose sum is σ = 721645824. Its totient is φ = 90205704.

The previous prime is 315719969. The next prime is 315720019. The reversal of 315720006 is 600027513.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3758530 + ... + 3758613.

It is an arithmetic number, because the mean of its divisors is an integer number (45102864).

Almost surely, 2315720006 is an apocalyptic number.

315720006 is an abundant number, since it is smaller than the sum of its proper divisors (405925818).

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

315720006 is a wasteful number, since it uses less digits than its factorization.

315720006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7517155.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 315720006 is about 17768.5116427910. The cubic root of 315720006 is about 680.9272284512.

Adding to 315720006 its reverse (600027513), we get a palindrome (915747519).

The spelling of 315720006 in words is "three hundred fifteen million, seven hundred twenty thousand, six".

Divisors: 1 2 3 6 7 14 21 42 7517143 15034286 22551429 45102858 52620001 105240002 157860003 315720006