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331389914 = 210713111821
BaseRepresentation
bin10011110000001…
…001101111011010
3212002120100111112
4103300021233122
51134313434124
652514500322
711132524232
oct2360115732
9762510445
10331389914
11160074169
1292b946a2
135386b60b
1432024cc2
151e15e90e
hex13c09bda

331389914 has 16 divisors (see below), whose sum is σ = 505603296. Its totient is φ = 162879600.

The previous prime is 331389901. The next prime is 331389917. The reversal of 331389914 is 419983133.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (331389917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22124 + ... + 33944.

It is an arithmetic number, because the mean of its divisors is an integer number (31600206).

Almost surely, 2331389914 is an apocalyptic number.

331389914 is a deficient number, since it is larger than the sum of its proper divisors (174213382).

331389914 is a wasteful number, since it uses less digits than its factorization.

331389914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12061.

The product of its digits is 69984, while the sum is 41.

The square root of 331389914 is about 18204.1180505950. The cubic root of 331389914 is about 692.0111553883.

The spelling of 331389914 in words is "three hundred thirty-one million, three hundred eighty-nine thousand, nine hundred fourteen".

Divisors: 1 2 107 131 214 262 11821 14017 23642 28034 1264847 1548551 2529694 3097102 165694957 331389914