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312504342 = 2361853837
BaseRepresentation
bin10010101000000…
…111000000010110
3210210000212100220
4102220013000112
51120000114332
651002015210
710513146243
oct2250070026
9723025326
10312504342
11150445157
12887a7506
134c988517
142d70a5ca
151c67dd2c
hex12a07016

312504342 has 16 divisors (see below), whose sum is σ = 635255472. Its totient is φ = 102460320.

The previous prime is 312504323. The next prime is 312504347. The reversal of 312504342 is 243405213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312504347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426553 + ... + 427284.

It is an arithmetic number, because the mean of its divisors is an integer number (39703467).

Almost surely, 2312504342 is an apocalyptic number.

312504342 is an abundant number, since it is smaller than the sum of its proper divisors (322751130).

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

312504342 is a wasteful number, since it uses less digits than its factorization.

312504342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853903.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 312504342 is about 17677.7923395429. The cubic root of 312504342 is about 678.6075470678.

Adding to 312504342 its reverse (243405213), we get a palindrome (555909555).

The spelling of 312504342 in words is "three hundred twelve million, five hundred four thousand, three hundred forty-two".

Divisors: 1 2 3 6 61 122 183 366 853837 1707674 2561511 5123022 52084057 104168114 156252171 312504342