Search a number
-
+
52248320 = 28540819
BaseRepresentation
bin1100011101001…
…1111100000000
310122022111012222
43013103330000
5101333421240
65103510212
71203050315
oct307237400
9118274188
1052248320
1127546a33
12155b8368
13aa94887
146d20d0c
1548c0eb5
hex31d3f00

52248320 has 36 divisors (see below), whose sum is σ = 125154120. Its totient is φ = 20898816.

The previous prime is 52248319. The next prime is 52248323. The reversal of 52248320 is 2384225.

It is a self number, because there is not a number n which added to its sum of digits gives 52248320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52248323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19130 + ... + 21689.

Almost surely, 252248320 is an apocalyptic number.

It is an amenable number.

52248320 is an abundant number, since it is smaller than the sum of its proper divisors (72905800).

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

52248320 is an equidigital number, since it uses as much as digits as its factorization.

52248320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40840 (or 40826 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 52248320 is about 7228.2999384364. The cubic root of 52248320 is about 373.8443116469.

The spelling of 52248320 in words is "fifty-two million, two hundred forty-eight thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 40819 81638 163276 204095 326552 408190 653104 816380 1306208 1632760 2612416 3265520 5224832 6531040 10449664 13062080 26124160 52248320