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312412400 = 24521745943
BaseRepresentation
bin10010100111110…
…000100011110000
3210202212012020122
4102213300203300
51114434144100
651000025412
710512314216
oct2247604360
9722765218
10312412400
11150392073
1288762268
134c955711
142d6c4cb6
151c661985
hex129f08f0

312412400 has 60 divisors (see below), whose sum is σ = 794739312. Its totient is φ = 117611520.

The previous prime is 312412391. The next prime is 312412403. The reversal of 312412400 is 4214213.

It is a super-3 number, since 3×3124124003 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312412403) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 16172 + ... + 29771.

Almost surely, 2312412400 is an apocalyptic number.

It is an amenable number.

312412400 is an abundant number, since it is smaller than the sum of its proper divisors (482326912).

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

312412400 is a wasteful number, since it uses less digits than its factorization.

312412400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45978 (or 45967 counting only the distinct ones).

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

The square root of 312412400 is about 17675.1916538407. The cubic root of 312412400 is about 678.5409894274.

Adding to 312412400 its reverse (4214213), we get a palindrome (316626613).

The spelling of 312412400 in words is "three hundred twelve million, four hundred twelve thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 17 20 25 34 40 50 68 80 85 100 136 170 200 272 340 400 425 680 850 1360 1700 3400 6800 45943 91886 183772 229715 367544 459430 735088 781031 918860 1148575 1562062 1837720 2297150 3124124 3675440 3905155 4594300 6248248 7810310 9188600 12496496 15620620 18377200 19525775 31241240 39051550 62482480 78103100 156206200 312412400