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8901425 = 521361449
BaseRepresentation
bin100001111101…
…001100110001
3121202020110102
4201331030301
54234321200
6514442145
7135442451
oct41751461
917666412
108901425
11502a855
122b93355
131ac8820
141279d61
15bac6d5
hex87d331

8901425 has 24 divisors (see below), whose sum is σ = 12108600. Its totient is φ = 6451200.

The previous prime is 8901413. The next prime is 8901461. The reversal of 8901425 is 5241098.

8901425 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 6105841 + 2795584 = 2471^2 + 1672^2 .

It is not a de Polignac number, because 8901425 - 216 = 8835889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19601 + ... + 20049.

It is an arithmetic number, because the mean of its divisors is an integer number (504525).

Almost surely, 28901425 is an apocalyptic number.

It is an amenable number.

8901425 is a deficient number, since it is larger than the sum of its proper divisors (3207175).

8901425 is a wasteful number, since it uses less digits than its factorization.

8901425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 8901425 is about 2983.5255990187. The cubic root of 8901425 is about 207.2461695165.

The spelling of 8901425 in words is "eight million, nine hundred one thousand, four hundred twenty-five".

Divisors: 1 5 13 25 61 65 305 325 449 793 1525 2245 3965 5837 11225 19825 27389 29185 136945 145925 356057 684725 1780285 8901425