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1312070 = 25179733
BaseRepresentation
bin101000000010101000110
32110122211012
411000111012
5313441240
644042222
714103164
oct5002506
92418735
101312070
11816861
12533372
1336c296
14262234
151adb65
hex140546

1312070 has 16 divisors (see below), whose sum is σ = 2378160. Its totient is φ = 521184.

The previous prime is 1312027. The next prime is 1312079. The reversal of 1312070 is 702131.

1312070 = T20 + T21 + ... + T198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1424 + ... + 2156.

It is an arithmetic number, because the mean of its divisors is an integer number (148635).

21312070 is an apocalyptic number.

1312070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312070 is a deficient number, since it is larger than the sum of its proper divisors (1066090).

1312070 is a wasteful number, since it uses less digits than its factorization.

1312070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 1312070 is about 1145.4562409800. The cubic root of 1312070 is about 109.4760204088.

The spelling of 1312070 in words is "one million, three hundred twelve thousand, seventy".

Divisors: 1 2 5 10 179 358 733 895 1466 1790 3665 7330 131207 262414 656035 1312070