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312200134 = 2198215793
BaseRepresentation
bin10010100110111…
…100101111000110
3210202110102001221
4102212330233012
51114410401014
650551310554
710510441321
oct2246745706
9722412057
10312200134
11150257644
128867b45a
134c8acc0c
142d66b7b8
151c61db24
hex129bcbc6

312200134 has 8 divisors (see below), whose sum is σ = 492947640. Its totient is φ = 147884256.

The previous prime is 312200099. The next prime is 312200159. The reversal of 312200134 is 431002213.

It is a happy number.

312200134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4107859 + ... + 4107934.

It is an arithmetic number, because the mean of its divisors is an integer number (61618455).

Almost surely, 2312200134 is an apocalyptic number.

312200134 is a deficient number, since it is larger than the sum of its proper divisors (180747506).

312200134 is a wasteful number, since it uses less digits than its factorization.

312200134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8215814.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 312200134 is about 17669.1860027563. The cubic root of 312200134 is about 678.3872782705.

Adding to 312200134 its reverse (431002213), we get a palindrome (743202347).

The spelling of 312200134 in words is "three hundred twelve million, two hundred thousand, one hundred thirty-four".

Divisors: 1 2 19 38 8215793 16431586 156100067 312200134