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52269420 = 22357971283
BaseRepresentation
bin1100011101100…
…1000101101100
310122100120011110
43013121011230
5101340110140
65104152020
71203165660
oct307310554
9118316143
1052269420
1127560875
1215608610
13aaa1368
146d288a0
1548c7380
hex31d916c

52269420 has 96 divisors (see below), whose sum is σ = 169118208. Its totient is φ = 11814912.

The previous prime is 52269403. The next prime is 52269443. The reversal of 52269420 is 2496225.

52269420 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 (30).

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, 40099 + ... + 41381.

It is an arithmetic number, because the mean of its divisors is an integer number (1761648).

Almost surely, 252269420 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 52269420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84559104).

52269420 is an abundant number, since it is smaller than the sum of its proper divisors (116848788).

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

52269420 is a wasteful number, since it uses less digits than its factorization.

52269420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399 (or 1397 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 52269420 is about 7229.7593320940. The cubic root of 52269420 is about 373.8946293947.

The spelling of 52269420 in words is "fifty-two million, two hundred sixty-nine thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 97 105 140 194 210 291 388 420 485 582 679 970 1164 1283 1358 1455 1940 2037 2566 2716 2910 3395 3849 4074 5132 5820 6415 6790 7698 8148 8981 10185 12830 13580 15396 17962 19245 20370 25660 26943 35924 38490 40740 44905 53886 76980 89810 107772 124451 134715 179620 248902 269430 373353 497804 538860 622255 746706 871157 1244510 1493412 1742314 1866765 2489020 2613471 3484628 3733530 4355785 5226942 7467060 8711570 10453884 13067355 17423140 26134710 52269420