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331214442 = 231310214159
BaseRepresentation
bin10011101111011…
…110111001101010
3212002020102210120
4103233132321222
51134242330232
652511024110
711131163526
oct2357367152
9762212716
10331214442
1115aa64349
1292b0b036
13538097a0
1431dbad86
151e12792c
hex13bdee6a

331214442 has 32 divisors (see below), whose sum is σ = 714255360. Its totient is φ = 101787840.

The previous prime is 331214399. The next prime is 331214453. The reversal of 331214442 is 244412133.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77559 + ... + 81717.

It is an arithmetic number, because the mean of its divisors is an integer number (22320480).

Almost surely, 2331214442 is an apocalyptic number.

331214442 is an abundant number, since it is smaller than the sum of its proper divisors (383040918).

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

331214442 is a wasteful number, since it uses less digits than its factorization.

331214442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5198.

The product of its digits is 2304, while the sum is 24.

The square root of 331214442 is about 18199.2978435983. The cubic root of 331214442 is about 691.8889931308. Note that the first 3 decimals are identical.

Adding to 331214442 its reverse (244412133), we get a palindrome (575626575).

The spelling of 331214442 in words is "three hundred thirty-one million, two hundred fourteen thousand, four hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 1021 2042 3063 4159 6126 8318 12477 13273 24954 26546 39819 54067 79638 108134 162201 324402 4246339 8492678 12739017 25478034 55202407 110404814 165607221 331214442