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52270456 = 237343443
BaseRepresentation
bin1100011101100…
…1010101111000
310122100121120211
43013121111320
5101340123311
65104200504
71203202000
oct307312570
9118317524
1052270456
1127561627
1215609134
13aaa1984
146d29000
1548c7821
hex31d9578

52270456 has 64 divisors (see below), whose sum is σ = 117216000. Its totient is φ = 21831264.

The previous prime is 52270453. The next prime is 52270457. The reversal of 52270456 is 65407225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52270451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117771 + ... + 118213.

It is an arithmetic number, because the mean of its divisors is an integer number (1831500).

Almost surely, 252270456 is an apocalyptic number.

52270456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52270456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58608000).

52270456 is an abundant number, since it is smaller than the sum of its proper divisors (64945544).

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

52270456 is a wasteful number, since it uses less digits than its factorization.

52270456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 52270456 is about 7229.8309800437. The cubic root of 52270456 is about 373.8970996235.

The spelling of 52270456 in words is "fifty-two million, two hundred seventy thousand, four hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 43 49 56 86 98 172 196 301 343 344 392 443 602 686 886 1204 1372 1772 2107 2408 2744 3101 3544 4214 6202 8428 12404 14749 16856 19049 21707 24808 29498 38098 43414 58996 76196 86828 117992 133343 151949 152392 173656 266686 303898 533372 607796 933401 1066744 1215592 1866802 3733604 6533807 7467208 13067614 26135228 52270456