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312341004 = 22328676139
BaseRepresentation
bin10010100111011…
…111001000001100
3210202201120022100
4102213133020030
51114424403004
650554315100
710511566113
oct2247371014
9722646270
10312341004
11150343468
1288728a90
134c92c081
142d6a6c7a
151c64a739
hex129df20c

312341004 has 18 divisors (see below), whose sum is σ = 789528740. Its totient is φ = 104113656.

The previous prime is 312340969. The next prime is 312341009. The reversal of 312341004 is 400143213.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (312341009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4338034 + ... + 4338105.

Almost surely, 2312341004 is an apocalyptic number.

It is an amenable number.

312341004 is an abundant number, since it is smaller than the sum of its proper divisors (477187736).

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

312341004 is a wasteful number, since it uses less digits than its factorization.

312341004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8676149 (or 8676144 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 312341004 is about 17673.1718715119. The cubic root of 312341004 is about 678.4892962131.

Adding to 312341004 its reverse (400143213), we get a palindrome (712484217).

The spelling of 312341004 in words is "three hundred twelve million, three hundred forty-one thousand, four".

Divisors: 1 2 3 4 6 9 12 18 36 8676139 17352278 26028417 34704556 52056834 78085251 104113668 156170502 312341004