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2453420 = 225612011
BaseRepresentation
bin1001010110111110101100
311121122110102
421112332230
51112002140
6124330232
726565554
oct11267654
94548412
102453420
111426322
129a3978
1367b938
1447c164
15336e15
hex256fac

2453420 has 24 divisors (see below), whose sum is σ = 5239248. Its totient is φ = 964800.

The previous prime is 2453419. The next prime is 2453431. The reversal of 2453420 is 243542.

It is a Smith number, since the sum of its digits (20) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2453392 and 2453401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215 + ... + 2225.

It is an arithmetic number, because the mean of its divisors is an integer number (218302).

22453420 is an apocalyptic number.

2453420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2453420 is an abundant number, since it is smaller than the sum of its proper divisors (2785828).

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

2453420 is a wasteful number, since it uses less digits than its factorization.

2453420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081 (or 2079 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2453420 is about 1566.3396821890. The cubic root of 2453420 is about 134.8726737305.

Adding to 2453420 its reverse (243542), we get a palindrome (2696962).

The spelling of 2453420 in words is "two million, four hundred fifty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 2011 4022 8044 10055 20110 40220 122671 245342 490684 613355 1226710 2453420