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72868203 = 3227892903
BaseRepresentation
bin1000101011111…
…10000101101011
312002010002101100
410111332011223
5122123240303
611121452443
71543240512
oct425760553
9162102340
1072868203
113814aa61
12204a1123
13121341a5
14996b679
1565e58a3
hex457e16b

72868203 has 12 divisors (see below), whose sum is σ = 105328080. Its totient is φ = 48544656.

The previous prime is 72868199. The next prime is 72868231. The reversal of 72868203 is 30286827.

It is a happy number.

It is not a de Polignac number, because 72868203 - 22 = 72868199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72868303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23650 + ... + 26552.

It is an arithmetic number, because the mean of its divisors is an integer number (8777340).

Almost surely, 272868203 is an apocalyptic number.

72868203 is a deficient number, since it is larger than the sum of its proper divisors (32459877).

72868203 is a wasteful number, since it uses less digits than its factorization.

72868203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5698 (or 5695 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 72868203 is about 8536.2874248704. The cubic root of 72868203 is about 417.6822501431.

The spelling of 72868203 in words is "seventy-two million, eight hundred sixty-eight thousand, two hundred three".

Divisors: 1 3 9 2789 2903 8367 8709 25101 26127 8096467 24289401 72868203