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1306670 = 25413187
BaseRepresentation
bin100111111000000101110
32110101102012
410333000232
5313303140
644001222
714051351
oct4770056
92411365
101306670
118127a2
12530212
133699a1
14260298
151ac265
hex13f02e

1306670 has 16 divisors (see below), whose sum is σ = 2410128. Its totient is φ = 509760.

The previous prime is 1306667. The next prime is 1306691. The reversal of 1306670 is 766031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184 + ... + 2003.

It is an arithmetic number, because the mean of its divisors is an integer number (150633).

21306670 is an apocalyptic number.

1306670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1306670 is a deficient number, since it is larger than the sum of its proper divisors (1103458).

1306670 is a wasteful number, since it uses less digits than its factorization.

1306670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 1306670 is about 1143.0966713275. The cubic root of 1306670 is about 109.3256261505.

The spelling of 1306670 in words is "one million, three hundred six thousand, six hundred seventy".

Divisors: 1 2 5 10 41 82 205 410 3187 6374 15935 31870 130667 261334 653335 1306670