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1343420 = 225135167
BaseRepresentation
bin101000111111110111100
32112020211022
411013332330
5320442140
644443312
714263451
oct5077674
92466738
101343420
11838371
12549538
13380630
1426d828
151b80b5
hex147fbc

1343420 has 24 divisors (see below), whose sum is σ = 3038784. Its totient is φ = 495936.

The previous prime is 1343413. The next prime is 1343423. The reversal of 1343420 is 243431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343423) 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, 2324 + ... + 2843.

It is an arithmetic number, because the mean of its divisors is an integer number (126616).

21343420 is an apocalyptic number.

1343420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343420 is an abundant number, since it is smaller than the sum of its proper divisors (1695364).

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

1343420 is a wasteful number, since it uses less digits than its factorization.

1343420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5189 (or 5187 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1343420 is about 1159.0599639363. The cubic root of 1343420 is about 110.3410900090.

Adding to 1343420 its reverse (243431), we get a palindrome (1586851).

The spelling of 1343420 in words is "one million, three hundred forty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 5167 10334 20668 25835 51670 67171 103340 134342 268684 335855 671710 1343420