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312411434 = 2156205717
BaseRepresentation
bin10010100111110…
…000010100101010
3210202212010220212
4102213300110222
51114434131214
651000021122
710512311336
oct2247602452
9722763825
10312411434
11150391375
12887617a2
134c95514a
142d6c47c6
151c66153e
hex129f052a

312411434 has 4 divisors (see below), whose sum is σ = 468617154. Its totient is φ = 156205716.

The previous prime is 312411427. The next prime is 312411443. The reversal of 312411434 is 434114213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 246395809 + 66015625 = 15697^2 + 8125^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 78102857 + ... + 78102860.

Almost surely, 2312411434 is an apocalyptic number.

312411434 is a deficient number, since it is larger than the sum of its proper divisors (156205720).

312411434 is a wasteful number, since it uses less digits than its factorization.

312411434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156205719.

The product of its digits is 1152, while the sum is 23.

The square root of 312411434 is about 17675.1643273832. The cubic root of 312411434 is about 678.5402900620.

Adding to 312411434 its reverse (434114213), we get a palindrome (746525647).

The spelling of 312411434 in words is "three hundred twelve million, four hundred eleven thousand, four hundred thirty-four".

Divisors: 1 2 156205717 312411434