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72946265 = 572084179
BaseRepresentation
bin1000101100100…
…01001001011001
312002021001110112
410112101021121
5122133240030
611123254105
71544014220
oct426211131
9162231415
1072946265
11381a3677
122051a335
1312160892
14998bcb7
15660da95
hex4591259

72946265 has 8 divisors (see below), whose sum is σ = 100040640. Its totient is φ = 50020272.

The previous prime is 72946217. The next prime is 72946267. The reversal of 72946265 is 56264927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72946265 - 212 = 72942169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72946267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1042055 + ... + 1042124.

It is an arithmetic number, because the mean of its divisors is an integer number (12505080).

Almost surely, 272946265 is an apocalyptic number.

It is an amenable number.

72946265 is a deficient number, since it is larger than the sum of its proper divisors (27094375).

72946265 is a wasteful number, since it uses less digits than its factorization.

72946265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084191.

The product of its digits is 181440, while the sum is 41.

The square root of 72946265 is about 8540.8585633998. The cubic root of 72946265 is about 417.8313479862.

The spelling of 72946265 in words is "seventy-two million, nine hundred forty-six thousand, two hundred sixty-five".

Divisors: 1 5 7 35 2084179 10420895 14589253 72946265