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52411728 = 24319101569
BaseRepresentation
bin1100011111101…
…1110101010000
310122121210101010
43013323311100
5101404133403
65111210520
71204330605
oct307736520
9118553333
1052411728
1127648786
1215676a40
13ab21075
146d646ac
154904603
hex31fbd50

52411728 has 80 divisors (see below), whose sum is σ = 144187200. Its totient is φ = 16358400.

The previous prime is 52411727. The next prime is 52411741. The reversal of 52411728 is 82711425.

It is a junction number, because it is equal to n+sod(n) for n = 52411695 and 52411704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52411727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91828 + ... + 92396.

It is an arithmetic number, because the mean of its divisors is an integer number (1802340).

Almost surely, 252411728 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 52411728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72093600).

52411728 is an abundant number, since it is smaller than the sum of its proper divisors (91775472).

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

52411728 is a wasteful number, since it uses less digits than its factorization.

52411728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700 (or 694 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 52411728 is about 7239.5944637804. The cubic root of 52411728 is about 374.2336420326.

The spelling of 52411728 in words is "fifty-two million, four hundred eleven thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 101 114 152 202 228 303 304 404 456 569 606 808 912 1138 1212 1616 1707 1919 2276 2424 3414 3838 4552 4848 5757 6828 7676 9104 10811 11514 13656 15352 21622 23028 27312 30704 32433 43244 46056 57469 64866 86488 92112 114938 129732 172407 172976 229876 259464 344814 459752 518928 689628 919504 1091911 1379256 2183822 2758512 3275733 4367644 6551466 8735288 13102932 17470576 26205864 52411728