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8025345 = 33559447
BaseRepresentation
bin11110100111010100000001
3120002201201000
4132213110001
54023302340
6444002213
7125133336
oct36472401
916081630
108025345
114591619
122830369
13187cb33
1410cc98d
15a87d30
hex7a7501

8025345 has 16 divisors (see below), whose sum is σ = 14267520. Its totient is φ = 4280112.

The previous prime is 8025341. The next prime is 8025349. The reversal of 8025345 is 5435208.

It is an interprime number because it is at equal distance from previous prime (8025341) and next prime (8025349).

It is not a de Polignac number, because 8025345 - 22 = 8025341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8025341) 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 15 ways as a sum of consecutive naturals, for example, 29589 + ... + 29858.

It is an arithmetic number, because the mean of its divisors is an integer number (891720).

Almost surely, 28025345 is an apocalyptic number.

It is an amenable number.

8025345 is a deficient number, since it is larger than the sum of its proper divisors (6242175).

8025345 is a wasteful number, since it uses less digits than its factorization.

8025345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59461 (or 59455 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 8025345 is about 2832.9039870776. The cubic root of 8025345 is about 200.2109856803.

It can be divided in two parts, 80 and 25345, that added together give a triangular number (25425 = T225).

The spelling of 8025345 in words is "eight million, twenty-five thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 27 45 135 59447 178341 297235 535023 891705 1605069 2675115 8025345