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1313502222 = 23218917037
BaseRepresentation
bin100111001001010…
…0111010000001110
310101112120211022110
41032102213100032
510142224032342
6334200524450
744356404354
oct11622472016
93345524273
101313502222
1161448a72a
12307a80726
1317c184966
14c66377d4
157a4aac9c
hex4e4a740e

1313502222 has 8 divisors (see below), whose sum is σ = 2627004456. Its totient is φ = 437834072.

The previous prime is 1313502221. The next prime is 1313502227. The reversal of 1313502222 is 2222053131.

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

1313502222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313502221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109458513 + ... + 109458524.

It is an arithmetic number, because the mean of its divisors is an integer number (328375557).

Almost surely, 21313502222 is an apocalyptic number.

1313502222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1313502222 is a wasteful number, since it uses less digits than its factorization.

1313502222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218917042.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1313502222 is about 36242.2712036649. The cubic root of 1313502222 is about 1095.1583966353.

Adding to 1313502222 its reverse (2222053131), we get a palindrome (3535555353).

The spelling of 1313502222 in words is "one billion, three hundred thirteen million, five hundred two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 218917037 437834074 656751111 1313502222