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53539072 = 28283739
BaseRepresentation
bin1100110000111…
…1000100000000
310201202001210121
43030033010000
5102201222242
65151310024
71220034406
oct314170400
9121661717
1053539072
1128248774
1215b1b314
13b127232
147179476
154a78667
hex330f100

53539072 has 36 divisors (see below), whose sum is σ = 107391760. Its totient is φ = 26638848.

The previous prime is 53539051. The next prime is 53539099. The reversal of 53539072 is 27093535.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 72079 + ... + 72817.

Almost surely, 253539072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53539072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53695880).

53539072 is an abundant number, since it is smaller than the sum of its proper divisors (53852688).

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

53539072 is an equidigital number, since it uses as much as digits as its factorization.

53539072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 34.

The square root of 53539072 is about 7317.0398386233. The cubic root of 53539072 is about 376.8978092439.

The spelling of 53539072 in words is "fifty-three million, five hundred thirty-nine thousand, seventy-two".

Divisors: 1 2 4 8 16 32 64 128 256 283 566 739 1132 1478 2264 2956 4528 5912 9056 11824 18112 23648 36224 47296 72448 94592 189184 209137 418274 836548 1673096 3346192 6692384 13384768 26769536 53539072