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9025420 = 225835437
BaseRepresentation
bin100010011011…
…011110001100
3121222112112211
4202123132030
54302303140
6521240204
7136500115
oct42333614
917875484
109025420
115104a28
123033064
131b400b1
1412ad20c
15bd42ea
hex89b78c

9025420 has 24 divisors (see below), whose sum is σ = 19185264. Its totient is φ = 3566016.

The previous prime is 9025417. The next prime is 9025441. The reversal of 9025420 is 245209.

It is a happy number.

9025420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9025391 and 9025400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1059 + ... + 4378.

It is an arithmetic number, because the mean of its divisors is an integer number (799386).

Almost surely, 29025420 is an apocalyptic number.

It is an amenable number.

9025420 is an abundant number, since it is smaller than the sum of its proper divisors (10159844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9025420 is a wasteful number, since it uses less digits than its factorization.

9025420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5529 (or 5527 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 9025420 is about 3004.2336793266. The cubic root of 9025420 is about 208.2040342579.

The spelling of 9025420 in words is "nine million, twenty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 5437 10874 21748 27185 54370 108740 451271 902542 1805084 2256355 4512710 9025420