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53204983 = 134092691
BaseRepresentation
bin1100101011110…
…1011111110111
310201010002111221
43022331133313
5102110024413
65140211211
71214143366
oct312753767
9121102457
1053204983
112803a767
1215999b07
13b03b150
1470cd7dd
154a0e68d
hex32bd7f7

53204983 has 4 divisors (see below), whose sum is σ = 57297688. Its totient is φ = 49112280.

The previous prime is 53204981. The next prime is 53204989. The reversal of 53204983 is 38940235.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38940235 = 57788047.

It is a cyclic number.

It is not a de Polignac number, because 53204983 - 21 = 53204981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53204981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2046333 + ... + 2046358.

It is an arithmetic number, because the mean of its divisors is an integer number (14324422).

Almost surely, 253204983 is an apocalyptic number.

53204983 is a deficient number, since it is larger than the sum of its proper divisors (4092705).

53204983 is a wasteful number, since it uses less digits than its factorization.

53204983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4092704.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 53204983 is about 7294.1745934684. The cubic root of 53204983 is about 376.1122132823.

The spelling of 53204983 in words is "fifty-three million, two hundred four thousand, nine hundred eighty-three".

Divisors: 1 13 4092691 53204983