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331441429 = 11316789163
BaseRepresentation
bin10011110000010…
…110010100010101
3212002122222011111
4103300112110111
51134322111204
652515535021
711133130354
oct2360262425
9762588144
10331441429
111600a9940
1292bba471
1353888bb7
143203999b
151e16ed04
hex13c16515

331441429 has 32 divisors (see below), whose sum is σ = 385413120. Its totient is φ = 282268800.

The previous prime is 331441427. The next prime is 331441433. The reversal of 331441429 is 924144133.

It is not a de Polignac number, because 331441429 - 21 = 331441427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331441429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331441427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2033302 + ... + 2033464.

It is an arithmetic number, because the mean of its divisors is an integer number (12044160).

Almost surely, 2331441429 is an apocalyptic number.

It is an amenable number.

331441429 is a deficient number, since it is larger than the sum of its proper divisors (53971691).

331441429 is a wasteful number, since it uses less digits than its factorization.

331441429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361.

The product of its digits is 10368, while the sum is 31.

The square root of 331441429 is about 18205.5329227134. The cubic root of 331441429 is about 692.0470115466.

The spelling of 331441429 in words is "three hundred thirty-one million, four hundred forty-one thousand, four hundred twenty-nine".

Divisors: 1 11 31 67 89 163 341 737 979 1793 2077 2759 5053 5963 10921 14507 22847 30349 55583 65593 120131 159577 184853 338551 449717 971969 2033383 3724061 4946887 10691659 30131039 331441429