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53828172 = 2233498409
BaseRepresentation
bin1100110101010…
…1101001001100
310202021202101000
43031111221030
5102240000142
65201420300
71222350306
oct315255114
9122252330
1053828172
11284259a2
121603a690
13b1c89b8
147212976
154ad414c
hex3355a4c

53828172 has 24 divisors (see below), whose sum is σ = 139554800. Its totient is φ = 17942688.

The previous prime is 53828161. The next prime is 53828189. The reversal of 53828172 is 27182835.

53828172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×538281723 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 7 ways as a sum of consecutive naturals, for example, 249097 + ... + 249312.

Almost surely, 253828172 is an apocalyptic number.

It is an amenable number.

53828172 is an abundant number, since it is smaller than the sum of its proper divisors (85726628).

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

53828172 is a wasteful number, since it uses less digits than its factorization.

53828172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498422 (or 498414 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 53828172 is about 7336.7684984603. The cubic root of 53828172 is about 377.5749821085.

The spelling of 53828172 in words is "fifty-three million, eight hundred twenty-eight thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 498409 996818 1495227 1993636 2990454 4485681 5980908 8971362 13457043 17942724 26914086 53828172