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53015352 = 23313367463
BaseRepresentation
bin1100101000111…
…1001100111000
310200202110101120
43022033030320
5102032442402
65132145240
71212423465
oct312171470
9120673346
1053015352
1127a20245
1215908220
13aca2a40
14708066c
1549c33bc
hex328f338

53015352 has 64 divisors (see below), whose sum is σ = 143431680. Its totient is φ = 16232832.

The previous prime is 53015341. The next prime is 53015371. The reversal of 53015352 is 25351035.

53015352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 114273 + ... + 114735.

It is an arithmetic number, because the mean of its divisors is an integer number (2241120).

Almost surely, 253015352 is an apocalyptic number.

53015352 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53015352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71715840).

53015352 is an abundant number, since it is smaller than the sum of its proper divisors (90416328).

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

53015352 is a wasteful number, since it uses less digits than its factorization.

53015352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 53015352 is about 7281.1641926274. The cubic root of 53015352 is about 375.6648401591.

Adding to 53015352 its reverse (25351035), we get a palindrome (78366387).

The spelling of 53015352 in words is "fifty-three million, fifteen thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 367 463 734 926 1101 1389 1468 1852 2202 2778 2936 3704 4404 4771 5556 6019 8808 9542 11112 12038 14313 18057 19084 24076 28626 36114 38168 48152 57252 72228 114504 144456 169921 339842 509763 679684 1019526 1359368 2039052 2208973 4078104 4417946 6626919 8835892 13253838 17671784 26507676 53015352