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312412412 = 22136007931
BaseRepresentation
bin10010100111110…
…000100011111100
3210202212012021002
4102213300203330
51114434144122
651000025432
710512314234
oct2247604374
9722765232
10312412412
11150392084
1288762278
134c955720
142d6c4cc4
151c661992
hex129f08fc

312412412 has 12 divisors (see below), whose sum is σ = 588777336. Its totient is φ = 144190320.

The previous prime is 312412403. The next prime is 312412433. The reversal of 312412412 is 214214213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3003914 + ... + 3004017.

It is an arithmetic number, because the mean of its divisors is an integer number (49064778).

Almost surely, 2312412412 is an apocalyptic number.

It is an amenable number.

312412412 is a deficient number, since it is larger than the sum of its proper divisors (276364924).

312412412 is a wasteful number, since it uses less digits than its factorization.

312412412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6007948 (or 6007946 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 312412412 is about 17675.1919932995. The cubic root of 312412412 is about 678.5409981151.

Adding to 312412412 its reverse (214214213), we get a palindrome (526626625).

The spelling of 312412412 in words is "three hundred twelve million, four hundred twelve thousand, four hundred twelve".

Divisors: 1 2 4 13 26 52 6007931 12015862 24031724 78103103 156206206 312412412