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52887432 = 23313337503
BaseRepresentation
bin1100100110111…
…1111110001000
310200111221220210
43021233332020
5102014344212
65125321120
71211351523
oct311577610
9120457823
1052887432
1127943124
12158661a0
13ac59750
147049bba
15499a53c
hex326ff88

52887432 has 64 divisors (see below), whose sum is σ = 143095680. Its totient is φ = 16192512.

The previous prime is 52887413. The next prime is 52887473. The reversal of 52887432 is 23478825.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104893 + ... + 105395.

It is an arithmetic number, because the mean of its divisors is an integer number (2235870).

Almost surely, 252887432 is an apocalyptic number.

52887432 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 52887432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71547840).

52887432 is an abundant number, since it is smaller than the sum of its proper divisors (90208248).

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

52887432 is a wasteful number, since it uses less digits than its factorization.

52887432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862 (or 858 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 52887432 is about 7272.3745778116. The cubic root of 52887432 is about 375.3624513423.

It can be divided in two parts, 528874 and 32, that added together give a triangular number (528906 = T1028).

The spelling of 52887432 in words is "fifty-two million, eight hundred eighty-seven thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 337 503 674 1006 1011 1348 1509 2012 2022 2696 3018 4024 4044 4381 6036 6539 8088 8762 12072 13078 13143 17524 19617 26156 26286 35048 39234 52312 52572 78468 105144 156936 169511 339022 508533 678044 1017066 1356088 2034132 2203643 4068264 4407286 6610929 8814572 13221858 17629144 26443716 52887432