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75026225 = 523001049
BaseRepresentation
bin1000111100011…
…00111100110001
312020011201122002
410132030330301
5123201314400
611240023345
71600466231
oct436147461
9166151562
1075026225
113939434a
1221161b55
131270b521
149d6dcc1
1568beed5
hex478cf31

75026225 has 6 divisors (see below), whose sum is σ = 93032550. Its totient is φ = 60020960.

The previous prime is 75026201. The next prime is 75026227. The reversal of 75026225 is 52262057.

It can be written as a sum of positive squares in 3 ways, for example, as 25563136 + 49463089 = 5056^2 + 7033^2 .

It is not a de Polignac number, because 75026225 - 210 = 75025201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75026227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1500500 + ... + 1500549.

It is an arithmetic number, because the mean of its divisors is an integer number (15505425).

Almost surely, 275026225 is an apocalyptic number.

It is an amenable number.

75026225 is a deficient number, since it is larger than the sum of its proper divisors (18006325).

75026225 is a wasteful number, since it uses less digits than its factorization.

75026225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001059 (or 3001054 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 75026225 is about 8661.7680065908. The cubic root of 75026225 is about 421.7654803043.

The spelling of 75026225 in words is "seventy-five million, twenty-six thousand, two hundred twenty-five".

Divisors: 1 5 25 3001049 15005245 75026225