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331292195 = 51331164413
BaseRepresentation
bin10011101111110…
…001111000100011
3212002101101110022
4103233301320203
51134302322240
652512424055
711131636313
oct2357617043
9762341408
10331292195
11160007803
1292b4802b
1353835cb0
1431ddb443
151e1409b5
hex13bf1e23

331292195 has 16 divisors (see below), whose sum is σ = 441944832. Its totient is φ = 236753280.

The previous prime is 331292131. The next prime is 331292219. The reversal of 331292195 is 591292133.

It is not a de Polignac number, because 331292195 - 26 = 331292131 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80192 + ... + 84221.

It is an arithmetic number, because the mean of its divisors is an integer number (27621552).

Almost surely, 2331292195 is an apocalyptic number.

331292195 is a deficient number, since it is larger than the sum of its proper divisors (110652637).

331292195 is a wasteful number, since it uses less digits than its factorization.

331292195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164462.

The product of its digits is 14580, while the sum is 35.

The square root of 331292195 is about 18201.4338720882. The cubic root of 331292195 is about 691.9431294939.

The spelling of 331292195 in words is "three hundred thirty-one million, two hundred ninety-two thousand, one hundred ninety-five".

Divisors: 1 5 13 31 65 155 403 2015 164413 822065 2137369 5096803 10686845 25484015 66258439 331292195