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75226825 = 523378929
BaseRepresentation
bin1000111101111…
…01111011001001
312020112220210201
410132331323021
5123224224300
611244212201
71602263122
oct436757311
9166486721
1075226825
1139511033
122123a061
131277b91b
149dc3049
15690e66a
hex47bdec9

75226825 has 12 divisors (see below), whose sum is σ = 93568540. Its totient is φ = 59996160.

The previous prime is 75226817. The next prime is 75226831. The reversal of 75226825 is 52862257.

It can be written as a sum of positive squares in 6 ways, for example, as 21013056 + 54213769 = 4584^2 + 7363^2 .

It is not a de Polignac number, because 75226825 - 23 = 75226817 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3961 + ... + 12889.

Almost surely, 275226825 is an apocalyptic number.

It is an amenable number.

75226825 is a deficient number, since it is larger than the sum of its proper divisors (18341715).

75226825 is a wasteful number, since it uses less digits than its factorization.

75226825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9276 (or 9271 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 75226825 is about 8673.3398987933. The cubic root of 75226825 is about 422.1410417050.

The spelling of 75226825 in words is "seventy-five million, two hundred twenty-six thousand, eight hundred twenty-five".

Divisors: 1 5 25 337 1685 8425 8929 44645 223225 3009073 15045365 75226825