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72368903 = 531638377
BaseRepresentation
bin1000101000001…
…00001100000111
312001011201110202
410110010030013
5122011301103
611103041115
71536061025
oct424041407
9161151422
1072368903
1137939912
12202a019b
1311cbab49
14987b715
156547988
hex4504307

72368903 has 8 divisors (see below), whose sum is σ = 74195568. Its totient is φ = 70559424.

The previous prime is 72368873. The next prime is 72368909. The reversal of 72368903 is 30986327.

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 72368903 - 210 = 72367879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72368909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4451 + ... + 12827.

It is an arithmetic number, because the mean of its divisors is an integer number (9274446).

Almost surely, 272368903 is an apocalyptic number.

72368903 is a deficient number, since it is larger than the sum of its proper divisors (1826665).

72368903 is a wasteful number, since it uses less digits than its factorization.

72368903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8593.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 72368903 is about 8506.9914188272. The cubic root of 72368903 is about 416.7260630703.

The spelling of 72368903 in words is "seventy-two million, three hundred sixty-eight thousand, nine hundred three".

Divisors: 1 53 163 8377 8639 443981 1365451 72368903