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310420222 = 2724239151
BaseRepresentation
bin10010100000001…
…010001011111110
3210122002222111021
4102200022023332
51113431421342
650445214354
710456346140
oct2240121376
9718088437
10310420222
1114a251342
1287b613ba
134c408a08
142d326c90
151c3bb567
hex1280a2fe

310420222 has 16 divisors (see below), whose sum is σ = 532426752. Its totient is φ = 132967800.

The previous prime is 310420219. The next prime is 310420223. The reversal of 310420222 is 222024013.

It is a super-3 number, since 3×3104202223 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 310420196 and 310420205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310420223) 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 7 ways as a sum of consecutive naturals, for example, 29347 + ... + 38497.

It is an arithmetic number, because the mean of its divisors is an integer number (33276672).

Almost surely, 2310420222 is an apocalyptic number.

310420222 is a deficient number, since it is larger than the sum of its proper divisors (222006530).

310420222 is a wasteful number, since it uses less digits than its factorization.

310420222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11583.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 310420222 is about 17618.7463231639. The cubic root of 310420222 is about 677.0956157629.

Adding to 310420222 its reverse (222024013), we get a palindrome (532444235).

The spelling of 310420222 in words is "three hundred ten million, four hundred twenty thousand, two hundred twenty-two".

Divisors: 1 2 7 14 2423 4846 9151 16961 18302 33922 64057 128114 22172873 44345746 155210111 310420222