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1613420 = 22580671
BaseRepresentation
bin110001001111001101100
310000222012022
412021321230
5403112140
654325312
716466564
oct6117154
93028168
101613420
11a02206
12659838
134464b3
142ddda4
1521d0b5
hex189e6c

1613420 has 12 divisors (see below), whose sum is σ = 3388224. Its totient is φ = 645360.

The previous prime is 1613413. The next prime is 1613441. The reversal of 1613420 is 243161.

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 3 ways as a sum of consecutive naturals, for example, 40316 + ... + 40355.

It is an arithmetic number, because the mean of its divisors is an integer number (282352).

21613420 is an apocalyptic number.

1613420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1613420 is an abundant number, since it is smaller than the sum of its proper divisors (1774804).

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

1613420 is a wasteful number, since it uses less digits than its factorization.

1613420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80680 (or 80678 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1613420 is about 1270.2047079113. The cubic root of 1613420 is about 117.2868021704.

Adding to 1613420 its reverse (243161), we get a palindrome (1856581).

The spelling of 1613420 in words is "one million, six hundred thirteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 80671 161342 322684 403355 806710 1613420