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331514245 = 5509130261
BaseRepresentation
bin10011110000101…
…000000110000101
3212002210200001101
4103300220012011
51134331423440
652521300101
711133552556
oct2360500605
9762720041
10331514245
11160149617
1293034631
13538b309a
143205832d
151e18669a
hex13c28185

331514245 has 8 divisors (see below), whose sum is σ = 398601720. Its totient is φ = 264688320.

The previous prime is 331514237. The next prime is 331514317. The reversal of 331514245 is 542415133.

It can be written as a sum of positive squares in 4 ways, for example, as 101263969 + 230250276 = 10063^2 + 15174^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 331514245 - 23 = 331514237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62586 + ... + 67675.

It is an arithmetic number, because the mean of its divisors is an integer number (49825215).

Almost surely, 2331514245 is an apocalyptic number.

It is an amenable number.

331514245 is a deficient number, since it is larger than the sum of its proper divisors (67087475).

331514245 is a wasteful number, since it uses less digits than its factorization.

331514245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130775.

The product of its digits is 7200, while the sum is 28.

The square root of 331514245 is about 18207.5326444854. The cubic root of 331514245 is about 692.0976875745.

Adding to 331514245 its reverse (542415133), we get a palindrome (873929378).

The spelling of 331514245 in words is "three hundred thirty-one million, five hundred fourteen thousand, two hundred forty-five".

Divisors: 1 5 509 2545 130261 651305 66302849 331514245