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312214203 = 3372956963
BaseRepresentation
bin10010100111000…
…000001010111011
3210202111010101000
4102213000022323
51114411323303
650551500043
710510530330
oct2247001273
9722433330
10312214203
11150267174
1288687623
134c8b6442
142d672987
151c622da3
hex129c02bb

312214203 has 32 divisors (see below), whose sum is σ = 546854400. Its totient is φ = 172253088.

The previous prime is 312214183. The next prime is 312214219. The reversal of 312214203 is 302412213.

It is not a de Polignac number, because 312214203 - 217 = 312083131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312214223) 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 31 ways as a sum of consecutive naturals, for example, 23001 + ... + 33962.

It is an arithmetic number, because the mean of its divisors is an integer number (17089200).

Almost surely, 2312214203 is an apocalyptic number.

312214203 is a deficient number, since it is larger than the sum of its proper divisors (234640197).

312214203 is a wasteful number, since it uses less digits than its factorization.

312214203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57008 (or 57002 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 312214203 is about 17669.5841207426. The cubic root of 312214203 is about 678.3974684084.

Adding to 312214203 its reverse (302412213), we get a palindrome (614626416).

The spelling of 312214203 in words is "three hundred twelve million, two hundred fourteen thousand, two hundred three".

Divisors: 1 3 7 9 21 27 29 63 87 189 203 261 609 783 1827 5481 56963 170889 398741 512667 1196223 1538001 1651927 3588669 4955781 10766007 11563489 14867343 34690467 44602029 104071401 312214203