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52333280 = 2552314221
BaseRepresentation
bin1100011110100…
…0101011100000
310122110210202122
43013220223200
5101344131110
65105403412
71203553106
oct307505340
9118423678
1052333280
11275a484a
1215639568
13aac444c
146d43c76
1548db255
hex31e8ae0

52333280 has 48 divisors (see below), whose sum is σ = 129021984. Its totient is φ = 20021760.

The previous prime is 52333223. The next prime is 52333283. The reversal of 52333280 is 8233325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52333283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3431 + ... + 10790.

It is an arithmetic number, because the mean of its divisors is an integer number (2687958).

Almost surely, 252333280 is an apocalyptic number.

It is an amenable number.

52333280 is an abundant number, since it is smaller than the sum of its proper divisors (76688704).

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

52333280 is a wasteful number, since it uses less digits than its factorization.

52333280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14259 (or 14251 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 52333280 is about 7234.1744518639. The cubic root of 52333280 is about 374.0468356228.

The spelling of 52333280 in words is "fifty-two million, three hundred thirty-three thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 23 32 40 46 80 92 115 160 184 230 368 460 736 920 1840 3680 14221 28442 56884 71105 113768 142210 227536 284420 327083 455072 568840 654166 1137680 1308332 1635415 2275360 2616664 3270830 5233328 6541660 10466656 13083320 26166640 52333280