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53783420 = 2252689171
BaseRepresentation
bin1100110100101…
…0101101111100
310202012110222112
43031022231330
5102232032140
65200433152
71222102655
oct315125574
9122173875
1053783420
11283a5309
12160187b8
13b1b1512
14720052c
154ac5c65
hex334ab7c

53783420 has 12 divisors (see below), whose sum is σ = 112945224. Its totient is φ = 21513360.

The previous prime is 53783417. The next prime is 53783441. The reversal of 53783420 is 2438735.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344566 + ... + 1344605.

It is an arithmetic number, because the mean of its divisors is an integer number (9412102).

Almost surely, 253783420 is an apocalyptic number.

It is an amenable number.

53783420 is an abundant number, since it is smaller than the sum of its proper divisors (59161804).

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

53783420 is a wasteful number, since it uses less digits than its factorization.

53783420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689180 (or 2689178 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 53783420 is about 7333.7180202132. The cubic root of 53783420 is about 377.4703162192.

The spelling of 53783420 in words is "fifty-three million, seven hundred eighty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2689171 5378342 10756684 13445855 26891710 53783420