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73425285 = 345181297
BaseRepresentation
bin1000110000001…
…10000110000101
312010011101120000
410120012012011
5122244102120
611141431513
71551050613
oct430060605
9163141500
1073425285
11384a055a
122070b599
131229a91b
149a746b3
1566a5990
hex4606185

73425285 has 20 divisors (see below), whose sum is σ = 131622348. Its totient is φ = 39159936.

The previous prime is 73425271. The next prime is 73425311. The reversal of 73425285 is 58252437.

It can be written as a sum of positive squares in 2 ways, for example, as 53012961 + 20412324 = 7281^2 + 4518^2 .

It is not a de Polignac number, because 73425285 - 211 = 73423237 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 90244 + ... + 91053.

Almost surely, 273425285 is an apocalyptic number.

It is an amenable number.

73425285 is a deficient number, since it is larger than the sum of its proper divisors (58197063).

73425285 is a wasteful number, since it uses less digits than its factorization.

73425285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181314 (or 181305 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 73425285 is about 8568.8555245143. The cubic root of 73425285 is about 418.7439514980.

The spelling of 73425285 in words is "seventy-three million, four hundred twenty-five thousand, two hundred eighty-five".

Divisors: 1 3 5 9 15 27 45 81 135 405 181297 543891 906485 1631673 2719455 4895019 8158365 14685057 24475095 73425285