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65714939 = 195476323
BaseRepresentation
bin1111101010101…
…1101011111011
311120122122221122
43322223223323
5113310334224
610304255455
71425365513
oct372535373
9146578848
1065714939
1134104674
121a01158b
13107cb2a4
148a28843
155b8115e
hex3eabafb

65714939 has 8 divisors (see below), whose sum is σ = 69311040. Its totient is φ = 62132616.

The previous prime is 65714921. The next prime is 65714951. The reversal of 65714939 is 93941756.

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

It is a cyclic number.

It is not a de Polignac number, because 65714939 - 216 = 65649403 is a prime.

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 65714939.

It is not an unprimeable number, because it can be changed into a prime (65714959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7232 + ... + 13554.

It is an arithmetic number, because the mean of its divisors is an integer number (8663880).

Almost surely, 265714939 is an apocalyptic number.

65714939 is a deficient number, since it is larger than the sum of its proper divisors (3596101).

65714939 is a wasteful number, since it uses less digits than its factorization.

65714939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6889.

The product of its digits is 204120, while the sum is 44.

The square root of 65714939 is about 8106.4751279456. The cubic root of 65714939 is about 403.5413442595.

The spelling of 65714939 in words is "sixty-five million, seven hundred fourteen thousand, nine hundred thirty-nine".

Divisors: 1 19 547 6323 10393 120137 3458681 65714939