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1025404 = 22389659
BaseRepresentation
bin11111010010101111100
31221002120221
43322111330
5230303104
633551124
711500342
oct3722574
91832527
101025404
11640446
124154a4
1329b963
141c9992
15153c54
hexfa57c

1025404 has 12 divisors (see below), whose sum is σ = 1801800. Its totient is φ = 510608.

The previous prime is 1025393. The next prime is 1025407. The reversal of 1025404 is 4045201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025407) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1227 + ... + 1885.

It is an arithmetic number, because the mean of its divisors is an integer number (150150).

21025404 is an apocalyptic number.

It is an amenable number.

1025404 is a deficient number, since it is larger than the sum of its proper divisors (776396).

1025404 is a wasteful number, since it uses less digits than its factorization.

1025404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1025404 is about 1012.6223382881. The cubic root of 1025404 is about 100.8397288175.

The spelling of 1025404 in words is "one million, twenty-five thousand, four hundred four".

Divisors: 1 2 4 389 659 778 1318 1556 2636 256351 512702 1025404