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315665066 = 2474637253
BaseRepresentation
bin10010110100001…
…010101010101010
3210222222110001202
4102310022222222
51121302240231
651153444202
710552052213
oct2264125252
9728873052
10315665066
11152203922
1289870662
1350524082
142dcd040a
151caa55cb
hex12d0aaaa

315665066 has 16 divisors (see below), whose sum is σ = 484683264. Its totient is φ = 154119504.

The previous prime is 315665059. The next prime is 315665089. The reversal of 315665066 is 660566513.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39896 + ... + 47148.

It is an arithmetic number, because the mean of its divisors is an integer number (30292704).

Almost surely, 2315665066 is an apocalyptic number.

315665066 is a deficient number, since it is larger than the sum of its proper divisors (169018198).

315665066 is a wasteful number, since it uses less digits than its factorization.

315665066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7765.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 315665066 is about 17766.9655822259. The cubic root of 315665066 is about 680.8877289882.

The spelling of 315665066 in words is "three hundred fifteen million, six hundred sixty-five thousand, sixty-six".

Divisors: 1 2 47 94 463 926 7253 14506 21761 43522 340891 681782 3358139 6716278 157832533 315665066