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72000299 = 710285757
BaseRepresentation
bin1000100101010…
…10001100101011
312000110222211202
410102222030223
5121413002144
611051114415
71532664260
oct422521453
9160428752
1072000299
1137707988
1220142a0b
1311bbc137
1497c3267
1564c364e
hex44aa32b

72000299 has 4 divisors (see below), whose sum is σ = 82286064. Its totient is φ = 61714536.

The previous prime is 72000289. The next prime is 72000343. The reversal of 72000299 is 99200027.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72000299 - 24 = 72000283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72000209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5142872 + ... + 5142885.

It is an arithmetic number, because the mean of its divisors is an integer number (20571516).

Almost surely, 272000299 is an apocalyptic number.

72000299 is a deficient number, since it is larger than the sum of its proper divisors (10285765).

72000299 is a wasteful number, since it uses less digits than its factorization.

72000299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10285764.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 72000299 is about 8485.2989929642. The cubic root of 72000299 is about 416.0173404846.

The spelling of 72000299 in words is "seventy-two million, two hundred ninety-nine", and thus it is an aban number.

Divisors: 1 7 10285757 72000299