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72350245 = 5111677877
BaseRepresentation
bin1000100111111…
…11101000100101
312001010202212201
410103333220211
5122010201440
611102414501
71535652442
oct423775045
9161122781
1072350245
11379268a0
1220291431
1311cb24c6
1498749c9
15654219a
hex44ffa25

72350245 has 16 divisors (see below), whose sum is σ = 95292288. Its totient is φ = 52296640.

The previous prime is 72350237. The next prime is 72350279. The reversal of 72350245 is 54205327.

It is not a de Polignac number, because 72350245 - 23 = 72350237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5247 + ... + 13123.

It is an arithmetic number, because the mean of its divisors is an integer number (5955768).

Almost surely, 272350245 is an apocalyptic number.

It is an amenable number.

72350245 is a deficient number, since it is larger than the sum of its proper divisors (22942043).

72350245 is a wasteful number, since it uses less digits than its factorization.

72350245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8060.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 72350245 is about 8505.8947207216. The cubic root of 72350245 is about 416.6902468433.

The spelling of 72350245 in words is "seventy-two million, three hundred fifty thousand, two hundred forty-five".

Divisors: 1 5 11 55 167 835 1837 7877 9185 39385 86647 433235 1315459 6577295 14470049 72350245