Search a number
-
+
52244920 = 23571331463
BaseRepresentation
bin1100011101001…
…1000110111000
310122022022120001
43013103012320
5101333314140
65103442344
71203034360
oct307230670
9118268501
1052244920
1127544422
12155b63b4
13aa93170
146d1d9a0
1548bee9a
hex31d31b8

52244920 has 128 divisors (see below), whose sum is σ = 149667840. Its totient is φ = 15966720.

The previous prime is 52244917. The next prime is 52244971. The reversal of 52244920 is 2944225.

52244920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 112609 + ... + 113071.

It is an arithmetic number, because the mean of its divisors is an integer number (1169280).

Almost surely, 252244920 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 52244920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74833920).

52244920 is an abundant number, since it is smaller than the sum of its proper divisors (97422920).

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

52244920 is a wasteful number, since it uses less digits than its factorization.

52244920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 52244920 is about 7228.0647479114. The cubic root of 52244920 is about 373.8362023065.

The spelling of 52244920 in words is "fifty-two million, two hundred forty-four thousand, nine hundred twenty".

Divisors: 1 2 4 5 7 8 10 13 14 20 26 28 31 35 40 52 56 62 65 70 91 104 124 130 140 155 182 217 248 260 280 310 364 403 434 455 463 520 620 728 806 868 910 926 1085 1240 1612 1736 1820 1852 2015 2170 2315 2821 3224 3241 3640 3704 4030 4340 4630 5642 6019 6482 8060 8680 9260 11284 12038 12964 14105 14353 16120 16205 18520 22568 24076 25928 28210 28706 30095 32410 42133 48152 56420 57412 60190 64820 71765 84266 100471 112840 114824 120380 129640 143530 168532 186589 200942 210665 240760 287060 337064 373178 401884 421330 502355 574120 746356 803768 842660 932945 1004710 1306123 1492712 1685320 1865890 2009420 2612246 3731780 4018840 5224492 6530615 7463560 10448984 13061230 26122460 52244920