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8820925 = 52352837
BaseRepresentation
bin100001101001…
…100010111101
3121121011000221
4201221202331
54224232200
6513021341
7134655661
oct41514275
917534027
108820925
114a85323
122b54851
131a9aca9
1412588a1
15b9391a
hex8698bd

8820925 has 6 divisors (see below), whose sum is σ = 10937978. Its totient is φ = 7056720.

The previous prime is 8820923. The next prime is 8820947. The reversal of 8820925 is 5290288.

8820925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3161284 + 5659641 = 1778^2 + 2379^2 .

It is not a de Polignac number, because 8820925 - 21 = 8820923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8820923) 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, 176394 + ... + 176443.

Almost surely, 28820925 is an apocalyptic number.

It is an amenable number.

8820925 is a deficient number, since it is larger than the sum of its proper divisors (2117053).

8820925 is a wasteful number, since it uses less digits than its factorization.

8820925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352847 (or 352842 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 8820925 is about 2970.0042087512. The cubic root of 8820925 is about 206.6195334184.

It can be divided in two parts, 88209 and 25, that multiplied together give a square (2205225 = 14852).

The spelling of 8820925 in words is "eight million, eight hundred twenty thousand, nine hundred twenty-five".

Divisors: 1 5 25 352837 1764185 8820925