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72292325 = 527439941
BaseRepresentation
bin1000100111100…
…01011111100101
312001000211102112
410103301133211
5122001323300
611101250405
71535321540
oct423613745
9161024375
1072292325
1137897326
1220263a05
1311c92031
14985b857
15652ee35
hex44f17e5

72292325 has 24 divisors (see below), whose sum is σ = 102791040. Its totient is φ = 49406400.

The previous prime is 72292309. The next prime is 72292327. The reversal of 72292325 is 52329227.

It is not a de Polignac number, because 72292325 - 24 = 72292309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72292291 and 72292300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72292327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76355 + ... + 77295.

It is an arithmetic number, because the mean of its divisors is an integer number (4282960).

Almost surely, 272292325 is an apocalyptic number.

It is an amenable number.

72292325 is a deficient number, since it is larger than the sum of its proper divisors (30498715).

72292325 is a wasteful number, since it uses less digits than its factorization.

72292325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397 (or 1392 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 72292325 is about 8502.4893413635. The cubic root of 72292325 is about 416.5790233438.

The spelling of 72292325 in words is "seventy-two million, two hundred ninety-two thousand, three hundred twenty-five".

Divisors: 1 5 7 25 35 175 439 941 2195 3073 4705 6587 10975 15365 23525 32935 76825 164675 413099 2065495 2891693 10327475 14458465 72292325