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331320914 = 2533125669
BaseRepresentation
bin10011101111111…
…000111001010010
3212002102211211222
4103233320321102
51134304232124
652513205042
711132116121
oct2357707122
9762384758
10331320914
11160027341
1292b60782
13538460a2
1432007ab8
151e14925e
hex13bf8e52

331320914 has 8 divisors (see below), whose sum is σ = 506358540. Its totient is φ = 162534736.

The previous prime is 331320893. The next prime is 331320919. The reversal of 331320914 is 419023133.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 274995889 + 56325025 = 16583^2 + 7505^2 .

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

It is not an unprimeable number, because it can be changed into a prime (331320919) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1562729 + ... + 1562940.

Almost surely, 2331320914 is an apocalyptic number.

331320914 is a deficient number, since it is larger than the sum of its proper divisors (175037626).

331320914 is a wasteful number, since it uses less digits than its factorization.

331320914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125724.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 331320914 is about 18202.2227763534. Note that the first 3 decimals coincide. The cubic root of 331320914 is about 691.9631232646.

The spelling of 331320914 in words is "three hundred thirty-one million, three hundred twenty thousand, nine hundred fourteen".

Divisors: 1 2 53 106 3125669 6251338 165660457 331320914