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53424210444 = 22311404728867
BaseRepresentation
bin110001110000010101…
…001100001000001100
312002220020002002021220
4301300111030020030
51333403044213234
640313122123340
73600621203403
oct616025141014
9162806062256
1053424210444
1120725635040
12a42b7b0550
1350652c1557
14282b40063a
1515ca2d0a49
hexc7054c20c

53424210444 has 24 divisors (see below), whose sum is σ = 135988899648. Its totient is φ = 16189154640.

The previous prime is 53424210419. The next prime is 53424210449. The reversal of 53424210444 is 44401242435.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (53424210449) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 202364302 + ... + 202364565.

It is an arithmetic number, because the mean of its divisors is an integer number (5666204152).

Almost surely, 253424210444 is an apocalyptic number.

It is an amenable number.

53424210444 is an abundant number, since it is smaller than the sum of its proper divisors (82564689204).

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

53424210444 is a wasteful number, since it uses less digits than its factorization.

53424210444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404728885 (or 404728883 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 53424210444 its reverse (44401242435), we get a palindrome (97825452879).

The spelling of 53424210444 in words is "fifty-three billion, four hundred twenty-four million, two hundred ten thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 404728867 809457734 1214186601 1618915468 2428373202 4452017537 4856746404 8904035074 13356052611 17808070148 26712105222 53424210444