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52255356 = 22323593209
BaseRepresentation
bin1100011101010…
…1101001111100
310122022211212120
43013111221330
5101334132411
65104002540
71203106656
oct307255174
9118284776
1052255356
112755124a
1215600450
13aa97b3a
146d236d6
1548c3106
hex31d5a7c

52255356 has 48 divisors (see below), whose sum is σ = 129427200. Its totient is φ = 16373632.

The previous prime is 52255349. The next prime is 52255369. The reversal of 52255356 is 65355225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14680 + ... + 17888.

It is an arithmetic number, because the mean of its divisors is an integer number (2696400).

Almost surely, 252255356 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 52255356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64713600).

52255356 is an abundant number, since it is smaller than the sum of its proper divisors (77171844).

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

52255356 is a wasteful number, since it uses less digits than its factorization.

52255356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298 (or 3296 counting only the distinct ones).

The product of its digits is 45000, while the sum is 33.

The square root of 52255356 is about 7228.7866201735. The cubic root of 52255356 is about 373.8610920940.

The spelling of 52255356 in words is "fifty-two million, two hundred fifty-five thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 12 23 46 59 69 92 118 138 177 236 276 354 708 1357 2714 3209 4071 5428 6418 8142 9627 12836 16284 19254 38508 73807 147614 189331 221421 295228 378662 442842 567993 757324 885684 1135986 2271972 4354613 8709226 13063839 17418452 26127678 52255356