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20254200 = 2335233757
BaseRepresentation
bin100110101000…
…0110111111000
31102010000112120
41031100313320
520141113300
62002041240
7334105101
oct115206770
942100476
1020254200
111048430a
126949220
134272045
1429933a8
151ba13a0
hex1350df8

20254200 has 48 divisors (see below), whose sum is σ = 62789880. Its totient is φ = 5400960.

The previous prime is 20254183. The next prime is 20254219. The reversal of 20254200 is 245202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20254200.

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 11 ways as a sum of consecutive naturals, for example, 16279 + ... + 17478.

Almost surely, 220254200 is an apocalyptic number.

20254200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20254200 is an abundant number, since it is smaller than the sum of its proper divisors (42535680).

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

20254200 is a wasteful number, since it uses less digits than its factorization.

20254200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33776 (or 33767 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 20254200 is about 4500.4666424716. The cubic root of 20254200 is about 272.5869318357.

Adding to 20254200 its reverse (245202), we get a palindrome (20499402).

The spelling of 20254200 in words is "twenty million, two hundred fifty-four thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 33757 67514 101271 135028 168785 202542 270056 337570 405084 506355 675140 810168 843925 1012710 1350280 1687850 2025420 2531775 3375700 4050840 5063550 6751400 10127100 20254200