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1343230 = 25731619
BaseRepresentation
bin101000111111011111110
32112020120021
411013323332
5320440410
644442354
714263060
oct5077376
92466507
101343230
11838209
125493ba
13380515
1426d730
151b7eda
hex147efe

1343230 has 32 divisors (see below), whose sum is σ = 2856960. Its totient is φ = 444960.

The previous prime is 1343219. The next prime is 1343233. The reversal of 1343230 is 323431.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1861 + ... + 2479.

It is an arithmetic number, because the mean of its divisors is an integer number (89280).

21343230 is an apocalyptic number.

1343230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1343230 is an abundant number, since it is smaller than the sum of its proper divisors (1513730).

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

1343230 is a wasteful number, since it uses less digits than its factorization.

1343230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1343230 is about 1158.9779980655. The cubic root of 1343230 is about 110.3358879140.

Adding to 1343230 its reverse (323431), we get a palindrome (1666661).

It can be divided in two parts, 134 and 3230, that added together give a square (3364 = 582).

The spelling of 1343230 in words is "one million, three hundred forty-three thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 217 310 434 619 1085 1238 2170 3095 4333 6190 8666 19189 21665 38378 43330 95945 134323 191890 268646 671615 1343230