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1368430 = 257113173
BaseRepresentation
bin101001110000101101110
32120112010121
411032011232
5322242210
645155154
714426410
oct5160556
92515117
101368430
11855138
1255baba
1338bb2b
142789b0
151c06da
hex14e16e

1368430 has 32 divisors (see below), whose sum is σ = 2856384. Its totient is φ = 462336.

The previous prime is 1368401. The next prime is 1368439. The reversal of 1368430 is 348631.

1368430 is nontrivially palindromic in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 1368395 and 1368404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368439) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7824 + ... + 7996.

It is an arithmetic number, because the mean of its divisors is an integer number (89262).

21368430 is an apocalyptic number.

1368430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1368430 is an abundant number, since it is smaller than the sum of its proper divisors (1487954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1368430 is a wasteful number, since it uses less digits than its factorization.

1368430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1368430 is about 1169.7991280558. The cubic root of 1368430 is about 111.0216120026.

The spelling of 1368430 in words is "one million, three hundred sixty-eight thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 113 173 226 346 565 791 865 1130 1211 1582 1730 2422 3955 6055 7910 12110 19549 39098 97745 136843 195490 273686 684215 1368430