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72245104 = 2417265607
BaseRepresentation
bin1000100111001…
…01111101110000
312000221102122121
410103211331300
5121443320404
611100244024
71535034061
oct423457560
9160842577
1072245104
11378648a8
1220240614
1311c766a9
149848568
156520e54
hex44e5f70

72245104 has 20 divisors (see below), whose sum is σ = 148209264. Its totient is φ = 33997568.

The previous prime is 72245101. The next prime is 72245137. The reversal of 72245104 is 40154227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72245101) 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, 132532 + ... + 133075.

Almost surely, 272245104 is an apocalyptic number.

It is an amenable number.

72245104 is an abundant number, since it is smaller than the sum of its proper divisors (75964160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72245104 is a wasteful number, since it uses less digits than its factorization.

72245104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265632 (or 265626 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 72245104 is about 8499.7119951208. The cubic root of 72245104 is about 416.4883011144.

The spelling of 72245104 in words is "seventy-two million, two hundred forty-five thousand, one hundred four".

Divisors: 1 2 4 8 16 17 34 68 136 272 265607 531214 1062428 2124856 4249712 4515319 9030638 18061276 36122552 72245104