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1425808 = 2489113
BaseRepresentation
bin101011100000110010000
32200102211201
411130012100
5331111213
650320544
715055606
oct5340620
92612751
101425808
1189425a
12589154
133abc97
14291876
151d26dd
hex15c190

1425808 has 10 divisors (see below), whose sum is σ = 2762534. Its totient is φ = 712896.

The previous prime is 1425797. The next prime is 1425811. The reversal of 1425808 is 8085241.

It can be written as a sum of positive squares in only one way, i.e., 1183744 + 242064 = 1088^2 + 492^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44541 + ... + 44572.

21425808 is an apocalyptic number.

It is an amenable number.

1425808 is a deficient number, since it is larger than the sum of its proper divisors (1336726).

1425808 is an equidigital number, since it uses as much as digits as its factorization.

1425808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89121 (or 89115 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 1425808 is about 1194.0720246283. The cubic root of 1425808 is about 112.5521207050.

The spelling of 1425808 in words is "one million, four hundred twenty-five thousand, eight hundred eight".

Divisors: 1 2 4 8 16 89113 178226 356452 712904 1425808