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1019426 = 219139193
BaseRepresentation
bin11111000111000100010
31220210101112
43320320202
5230110201
633503322
711444042
oct3707042
91823345
101019426
11636a01
12411b42
13299015
141c7722
151520bb
hexf8e22

1019426 has 16 divisors (see below), whose sum is σ = 1629600. Its totient is φ = 476928.

The previous prime is 1019423. The next prime is 1019443. The reversal of 1019426 is 6249101.

It is a happy number.

1019426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1019423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5186 + ... + 5378.

It is an arithmetic number, because the mean of its divisors is an integer number (101850).

21019426 is an apocalyptic number.

1019426 is a deficient number, since it is larger than the sum of its proper divisors (610174).

1019426 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (1019425) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (353).

1019426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1019426 is about 1009.6662815010. Note that the first 3 decimals coincide. The cubic root of 1019426 is about 100.6433850131.

The spelling of 1019426 in words is "one million, nineteen thousand, four hundred twenty-six".

Divisors: 1 2 19 38 139 193 278 386 2641 3667 5282 7334 26827 53654 509713 1019426