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894309025 = 5259812
BaseRepresentation
bin110101010011100…
…001001010100001
32022022210121100111
4311103201022201
53312420342100
6224424051321
731106333641
oct6523411241
92268717314
10894309025
114198a5675
1220b603b41
1311338324c
1486ab8521
15537a56ba
hex354e12a1

894309025 has 9 divisors (see below), whose sum is σ = 1109128633. Its totient is φ = 715327600.

The previous prime is 894309019. The next prime is 894309067. The reversal of 894309025 is 520903498.

It is a happy number.

The square root of 894309025 is 29905.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 426711649 + 467597376 = 20657^2 + 21624^2 .

It is not a de Polignac number, because 894309025 - 27 = 894308897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 146535 + ... + 152515.

Almost surely, 2894309025 is an apocalyptic number.

894309025 is the 29905-th square number.

894309025 is the 14953-rd centered octagonal number.

It is an amenable number.

894309025 is a deficient number, since it is larger than the sum of its proper divisors (214819608).

894309025 is an frugal number, since it uses more digits than its factorization.

894309025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11972 (or 5986 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The cubic root of 894309025 is about 963.4500519754.

The spelling of 894309025 in words is "eight hundred ninety-four million, three hundred nine thousand, twenty-five".

Divisors: 1 5 25 5981 29905 149525 35772361 178861805 894309025