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53729236 = 22111221119
BaseRepresentation
bin1100110011110…
…1011111010100
310202002201122201
43030331133110
5102223313421
65155334244
71221456001
oct314753724
9122081581
1053729236
1128368630
1215bb1384
13b192962
1471c88a8
154ab4b91
hex333d7d4

53729236 has 12 divisors (see below), whose sum is σ = 102574080. Its totient is φ = 24422360.

The previous prime is 53729213. The next prime is 53729237. The reversal of 53729236 is 63292735.

It is a super-2 number, since 2×537292362 = 5773661602287392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53729195 and 53729204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53729237) 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, 610516 + ... + 610603.

It is an arithmetic number, because the mean of its divisors is an integer number (8547840).

Almost surely, 253729236 is an apocalyptic number.

It is an amenable number.

53729236 is a deficient number, since it is larger than the sum of its proper divisors (48844844).

53729236 is a wasteful number, since it uses less digits than its factorization.

53729236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221134 (or 1221132 counting only the distinct ones).

The product of its digits is 68040, while the sum is 37.

The square root of 53729236 is about 7330.0229194730. The cubic root of 53729236 is about 377.3435130529.

The spelling of 53729236 in words is "fifty-three million, seven hundred twenty-nine thousand, two hundred thirty-six".

Divisors: 1 2 4 11 22 44 1221119 2442238 4884476 13432309 26864618 53729236