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52212468 = 2237113467
BaseRepresentation
bin1100011100101…
…1001011110100
310122020200001010
43013023023310
5101331244333
65103032220
71202540640
oct307131364
9118220033
1052212468
1127522000
121559b670
13aa81469
146d11c20
1548b5563
hex31cb2f4

52212468 has 96 divisors (see below), whose sum is σ = 153474048. Its totient is φ = 13532640.

The previous prime is 52212427. The next prime is 52212487. The reversal of 52212468 is 86421225.

It is a super-2 number, since 2×522124682 = 5452283629302048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111571 + ... + 112037.

It is an arithmetic number, because the mean of its divisors is an integer number (1598688).

Almost surely, 252212468 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 52212468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76737024).

52212468 is an abundant number, since it is smaller than the sum of its proper divisors (101261580).

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

52212468 is a wasteful number, since it uses less digits than its factorization.

52212468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 490 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 52212468 is about 7225.8195382946. The cubic root of 52212468 is about 373.7587833270.

The spelling of 52212468 in words is "fifty-two million, two hundred twelve thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 121 132 154 231 242 308 363 462 467 484 726 847 924 934 1331 1401 1452 1694 1868 2541 2662 2802 3269 3388 3993 5082 5137 5324 5604 6538 7986 9317 9807 10164 10274 13076 15411 15972 18634 19614 20548 27951 30822 35959 37268 39228 55902 56507 61644 71918 107877 111804 113014 143836 169521 215754 226028 339042 395549 431508 621577 678084 791098 1186647 1243154 1582196 1864731 2373294 2486308 3729462 4351039 4746588 7458924 8702078 13053117 17404156 26106234 52212468