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53333828 = 2217784321
BaseRepresentation
bin1100101101110…
…0111101000100
310201100122020222
43023130331010
5102123140303
65143043512
71215221132
oct313347504
9121318228
1053333828
1128118549
1215a40598
13b0849a2
147124752
154a37938
hex32dcf44

53333828 has 12 divisors (see below), whose sum is σ = 98824572. Its totient is φ = 25098240.

The previous prime is 53333821. The next prime is 53333867. The reversal of 53333828 is 82833335.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20866624 + 32467204 = 4568^2 + 5698^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (53333821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392093 + ... + 392228.

It is an arithmetic number, because the mean of its divisors is an integer number (8235381).

Almost surely, 253333828 is an apocalyptic number.

It is an amenable number.

53333828 is a deficient number, since it is larger than the sum of its proper divisors (45490744).

53333828 is a wasteful number, since it uses less digits than its factorization.

53333828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784342 (or 784340 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 53333828 is about 7303.0013008352. The cubic root of 53333828 is about 376.4155752967.

The spelling of 53333828 in words is "fifty-three million, three hundred thirty-three thousand, eight hundred twenty-eight".

Divisors: 1 2 4 17 34 68 784321 1568642 3137284 13333457 26666914 53333828