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72268227 = 3310126501
BaseRepresentation
bin1000100111010…
…11100111000011
312000222121101000
410103223213003
5122000040402
611100543043
71535161353
oct423534703
9160877330
1072268227
1137880209
1220251a83
1311c84085
149852b63
156527c1c
hex44eb9c3

72268227 has 16 divisors (see below), whose sum is σ = 108128160. Its totient is φ = 47700000.

The previous prime is 72268211. The next prime is 72268247. The reversal of 72268227 is 72286227.

It is not a de Polignac number, because 72268227 - 24 = 72268211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72268191 and 72268200.

It is not an unprimeable number, because it can be changed into a prime (72268247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10524 + ... + 15977.

It is an arithmetic number, because the mean of its divisors is an integer number (6758010).

Almost surely, 272268227 is an apocalyptic number.

72268227 is a deficient number, since it is larger than the sum of its proper divisors (35859933).

72268227 is a wasteful number, since it uses less digits than its factorization.

72268227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26611 (or 26605 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 72268227 is about 8501.0721088578. The cubic root of 72268227 is about 416.5327305691.

The spelling of 72268227 in words is "seventy-two million, two hundred sixty-eight thousand, two hundred twenty-seven".

Divisors: 1 3 9 27 101 303 909 2727 26501 79503 238509 715527 2676601 8029803 24089409 72268227