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312240104 = 23113548183
BaseRepresentation
bin10010100111000…
…110011111101000
3210202112102220022
4102213012133220
51114413140404
650552220012
710510666001
oct2247063750
9722472808
10312240104
11150284680
128869a608
134c8c5177
142d67c1a8
151c62a8be
hex129c67e8

312240104 has 16 divisors (see below), whose sum is σ = 638673120. Its totient is φ = 141927280.

The previous prime is 312240101. The next prime is 312240113. The reversal of 312240104 is 401042213.

It is not an unprimeable number, because it can be changed into a prime (312240101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1774004 + ... + 1774179.

It is an arithmetic number, because the mean of its divisors is an integer number (39917070).

Almost surely, 2312240104 is an apocalyptic number.

It is an amenable number.

312240104 is an abundant number, since it is smaller than the sum of its proper divisors (326433016).

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

312240104 is a wasteful number, since it uses less digits than its factorization.

312240104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548200 (or 3548196 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 312240104 is about 17670.3170316777. The cubic root of 312240104 is about 678.4162276308.

Adding to 312240104 its reverse (401042213), we get a palindrome (713282317).

The spelling of 312240104 in words is "three hundred twelve million, two hundred forty thousand, one hundred four".

Divisors: 1 2 4 8 11 22 44 88 3548183 7096366 14192732 28385464 39030013 78060026 156120052 312240104