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73025641 = 138367679
BaseRepresentation
bin1000101101001…
…00100001101001
312002102002100101
410112210201221
5122143310031
611125105401
71544464513
oct426444151
9162362311
1073025641
1138248277
1220558261
131218aa50
1499acbb3
156627361
hex45a4869

73025641 has 8 divisors (see below), whose sum is σ = 79591680. Its totient is φ = 66595152.

The previous prime is 73025629. The next prime is 73025669. The reversal of 73025641 is 14652037.

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

It is not a de Polignac number, because 73025641 - 29 = 73025129 is a prime.

It is a Duffinian number.

73025641 is a modest number, since divided by 25641 gives 73 as remainder.

It is not an unprimeable number, because it can be changed into a prime (73025611) 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, 32761 + ... + 34918.

It is an arithmetic number, because the mean of its divisors is an integer number (9948960).

Almost surely, 273025641 is an apocalyptic number.

It is an amenable number.

73025641 is a deficient number, since it is larger than the sum of its proper divisors (6566039).

73025641 is a wasteful number, since it uses less digits than its factorization.

73025641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67775.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 73025641 is about 8545.5041396046. The cubic root of 73025641 is about 417.9828465294.

Adding to 73025641 its reverse (14652037), we get a palindrome (87677678).

The spelling of 73025641 in words is "seventy-three million, twenty-five thousand, six hundred forty-one".

Divisors: 1 13 83 1079 67679 879827 5617357 73025641