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53729748 = 22322364891
BaseRepresentation
bin1100110011110…
…1100111010100
310202002202100200
43030331213110
5102223322443
65155340500
71221460332
oct314754724
9122082320
1053729748
1128368a56
1215bb1730
13b192c67
1471c8b52
154ab4dd3
hex333d9d4

53729748 has 36 divisors (see below), whose sum is σ = 141724128. Its totient is φ = 17130960.

The previous prime is 53729743. The next prime is 53729749. The reversal of 53729748 is 84792735.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53729743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31618 + ... + 33273.

Almost surely, 253729748 is an apocalyptic number.

It is an amenable number.

53729748 is an abundant number, since it is smaller than the sum of its proper divisors (87994380).

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

53729748 is a wasteful number, since it uses less digits than its factorization.

53729748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64924 (or 64919 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 53729748 is about 7330.0578442465. The cubic root of 53729748 is about 377.3447116509.

The spelling of 53729748 in words is "fifty-three million, seven hundred twenty-nine thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 828 64891 129782 194673 259564 389346 584019 778692 1168038 1492493 2336076 2984986 4477479 5969972 8954958 13432437 17909916 26864874 53729748