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331482717 = 3243385061
BaseRepresentation
bin10011110000100…
…000011001011101
3212002202001210200
4103300200121131
51134324421332
652520454113
711133361626
oct2360403135
9762661720
10331482717
11160127965
129301a339
13538a1927
143204aa4d
151e17c17c
hex13c2065d

331482717 has 12 divisors (see below), whose sum is σ = 479919804. Its totient is φ = 220475520.

The previous prime is 331482713. The next prime is 331482719. The reversal of 331482717 is 717284133.

It can be written as a sum of positive squares in 2 ways, for example, as 186978276 + 144504441 = 13674^2 + 12021^2 .

It is not a de Polignac number, because 331482717 - 22 = 331482713 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331482713) 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 11 ways as a sum of consecutive naturals, for example, 38634 + ... + 46427.

It is an arithmetic number, because the mean of its divisors is an integer number (39993317).

Almost surely, 2331482717 is an apocalyptic number.

It is an amenable number.

331482717 is a deficient number, since it is larger than the sum of its proper divisors (148437087).

331482717 is a wasteful number, since it uses less digits than its factorization.

331482717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85500 (or 85497 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 331482717 is about 18206.6668283901. Note that the first 3 decimals coincide. The cubic root of 331482717 is about 692.0757466897.

The spelling of 331482717 in words is "three hundred thirty-one million, four hundred eighty-two thousand, seven hundred seventeen".

Divisors: 1 3 9 433 1299 3897 85061 255183 765549 36831413 110494239 331482717