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313201442 = 22364310589
BaseRepresentation
bin10010101010110…
…001001100100010
3210211100021121102
4102222301030202
51120134421232
651024554402
710522111511
oct2252611442
9724307542
10313201442
11150880974
1288a82a02
134cb708c8
142d84c678
151c76a662
hex12ab1322

313201442 has 16 divisors (see below), whose sum is σ = 491037120. Its totient is φ = 149544912.

The previous prime is 313201429. The next prime is 313201487. The reversal of 313201442 is 244102313.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24284 + ... + 34872.

It is an arithmetic number, because the mean of its divisors is an integer number (30689820).

Almost surely, 2313201442 is an apocalyptic number.

313201442 is a deficient number, since it is larger than the sum of its proper divisors (177835678).

313201442 is a wasteful number, since it uses less digits than its factorization.

313201442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11257.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 313201442 is about 17697.4981847718. The cubic root of 313201442 is about 679.1117598044. Note that the first 3 decimals are identical.

Adding to 313201442 its reverse (244102313), we get a palindrome (557303755).

The spelling of 313201442 in words is "three hundred thirteen million, two hundred one thousand, four hundred forty-two".

Divisors: 1 2 23 46 643 1286 10589 14789 21178 29578 243547 487094 6808727 13617454 156600721 313201442