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312305104 = 2419519069
BaseRepresentation
bin10010100111010…
…110010111010000
3210202122202001201
4102213112113100
51114422230404
650553440544
710511356336
oct2247262720
9722582051
10312305104
111503194a1
1288710154
134c918927
142d697b56
151c63eca4
hex129d65d0

312305104 has 10 divisors (see below), whose sum is σ = 605091170. Its totient is φ = 156152544.

The previous prime is 312305099. The next prime is 312305107. The reversal of 312305104 is 401503213.

It can be written as a sum of positive squares in only one way, i.e., 280495504 + 31809600 = 16748^2 + 5640^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312305107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9759519 + ... + 9759550.

It is an arithmetic number, because the mean of its divisors is an integer number (60509117).

Almost surely, 2312305104 is an apocalyptic number.

It is an amenable number.

312305104 is a deficient number, since it is larger than the sum of its proper divisors (292786066).

312305104 is a wasteful number, since it uses less digits than its factorization.

312305104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19519077 (or 19519071 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 312305104 is about 17672.1561785765. The cubic root of 312305104 is about 678.4633003745.

Adding to 312305104 its reverse (401503213), we get a palindrome (713808317).

The spelling of 312305104 in words is "three hundred twelve million, three hundred five thousand, one hundred four".

Divisors: 1 2 4 8 16 19519069 39038138 78076276 156152552 312305104