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53835072 = 2631991409
BaseRepresentation
bin1100110101011…
…1010101000000
310202022002211120
43031113111000
5102240210242
65201512240
71222406364
oct315272500
9122262746
1053835072
11284300a5
1216042680
13b1cbb95
1472152a4
154ad61ec
hex3357540

53835072 has 56 divisors (see below), whose sum is σ = 143256000. Its totient is φ = 17842176.

The previous prime is 53835071. The next prime is 53835083. The reversal of 53835072 is 27053835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53835071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37504 + ... + 38912.

Almost surely, 253835072 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 53835072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71628000).

53835072 is an abundant number, since it is smaller than the sum of its proper divisors (89420928).

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

53835072 is a wasteful number, since it uses less digits than its factorization.

53835072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623 (or 1613 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 53835072 is about 7337.2387176648. The cubic root of 53835072 is about 377.5911146525.

The spelling of 53835072 in words is "fifty-three million, eight hundred thirty-five thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 199 398 597 796 1194 1409 1592 2388 2818 3184 4227 4776 5636 6368 8454 9552 11272 12736 16908 19104 22544 33816 38208 45088 67632 90176 135264 270528 280391 560782 841173 1121564 1682346 2243128 3364692 4486256 6729384 8972512 13458768 17945024 26917536 53835072