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1306426 = 211431381
BaseRepresentation
bin100111110111100111010
32110101002011
410332330322
5313301201
644000134
714050552
oct4767472
92411064
101306426
118125a0
1253004a
13369844
14260162
151ac151
hex13ef3a

1306426 has 16 divisors (see below), whose sum is σ = 2189088. Its totient is φ = 579600.

The previous prime is 1306411. The next prime is 1306429. The reversal of 1306426 is 6246031.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1306397 and 1306406.

It is not an unprimeable number, because it can be changed into a prime (1306429) 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, 256 + ... + 1636.

It is an arithmetic number, because the mean of its divisors is an integer number (136818).

21306426 is an apocalyptic number.

1306426 is a deficient number, since it is larger than the sum of its proper divisors (882662).

1306426 is a wasteful number, since it uses less digits than its factorization.

1306426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1306426 is about 1142.9899387134. The cubic root of 1306426 is about 109.3188207818.

It can be divided in two parts, 130 and 6426, that added together give a palindrome (6556).

The spelling of 1306426 in words is "one million, three hundred six thousand, four hundred twenty-six".

Divisors: 1 2 11 22 43 86 473 946 1381 2762 15191 30382 59383 118766 653213 1306426