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52311360 = 2635291879
BaseRepresentation
bin1100011110001…
…1010101000000
310122102200200210
43013203111000
5101342430420
65105114120
71203432153
oct307432500
9118380623
1052311360
112758a332
1215628940
13aab748a
146d39c9a
1548d49e0
hex31e3540

52311360 has 112 divisors (see below), whose sum is σ = 171907200. Its totient is φ = 13461504.

The previous prime is 52311359. The next prime is 52311409. The reversal of 52311360 is 6311325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26901 + ... + 28779.

Almost surely, 252311360 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 52311360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85953600).

52311360 is an abundant number, since it is smaller than the sum of its proper divisors (119595840).

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

52311360 is a wasteful number, since it uses less digits than its factorization.

52311360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928 (or 1918 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 52311360 is about 7232.6592619866. The cubic root of 52311360 is about 373.9946046673.

Adding to 52311360 its reverse (6311325), we get a palindrome (58622685).

The spelling of 52311360 in words is "fifty-two million, three hundred eleven thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 32 40 48 58 60 64 80 87 96 116 120 145 160 174 192 232 240 290 320 348 435 464 480 580 696 870 928 960 1160 1392 1740 1856 1879 2320 2784 3480 3758 4640 5568 5637 6960 7516 9280 9395 11274 13920 15032 18790 22548 27840 28185 30064 37580 45096 54491 56370 60128 75160 90192 108982 112740 120256 150320 163473 180384 217964 225480 272455 300640 326946 360768 435928 450960 544910 601280 653892 817365 871856 901920 1089820 1307784 1634730 1743712 1803840 2179640 2615568 3269460 3487424 4359280 5231136 6538920 8718560 10462272 13077840 17437120 26155680 52311360