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312002214 = 2356392363
BaseRepresentation
bin10010100110001…
…100011010100110
3210202002100120120
4102212030122212
51114333032324
650543142410
710505655306
oct2246143246
9722070516
10312002214
11150131977
12885a4a06
134c840ac4
142d619606
151c5d0179
hex1298c6a6

312002214 has 16 divisors (see below), whose sum is σ = 625119552. Its totient is φ = 103814888.

The previous prime is 312002209. The next prime is 312002221. The reversal of 312002214 is 412200213.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 312002193 and 312002202.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 42804 + ... + 49559.

It is an arithmetic number, because the mean of its divisors is an integer number (39069972).

Almost surely, 2312002214 is an apocalyptic number.

312002214 is an abundant number, since it is smaller than the sum of its proper divisors (313117338).

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

312002214 is a wasteful number, since it uses less digits than its factorization.

312002214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92931.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 312002214 is about 17663.5844040784. The cubic root of 312002214 is about 678.2438929029.

Adding to 312002214 its reverse (412200213), we get a palindrome (724202427).

The spelling of 312002214 in words is "three hundred twelve million, two thousand, two hundred fourteen".

Divisors: 1 2 3 6 563 1126 1689 3378 92363 184726 277089 554178 52000369 104000738 156001107 312002214