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4182020 = 225211991
BaseRepresentation
bin1111111101000000000100
321212110122122
433331000010
52032311040
6225345112
750355323
oct17750004
97773578
104182020
1123a7017
121498198
13b3568b
147ac0ba
155791b5
hex3fd004

4182020 has 24 divisors (see below), whose sum is σ = 8832768. Its totient is φ = 1663200.

The previous prime is 4182019. The next prime is 4182037. The reversal of 4182020 is 202814.

It is a self number, because there is not a number n which added to its sum of digits gives 4182020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3725 + ... + 4715.

It is an arithmetic number, because the mean of its divisors is an integer number (368032).

Almost surely, 24182020 is an apocalyptic number.

It is an amenable number.

4182020 is an abundant number, since it is smaller than the sum of its proper divisors (4650748).

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

4182020 is a wasteful number, since it uses less digits than its factorization.

4182020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 4182020 is about 2044.9987775057. The cubic root of 4182020 is about 161.1123015722.

Adding to 4182020 its reverse (202814), we get a palindrome (4384834).

The spelling of 4182020 in words is "four million, one hundred eighty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 211 422 844 991 1055 1982 2110 3964 4220 4955 9910 19820 209101 418202 836404 1045505 2091010 4182020