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86860452 = 223729181197
BaseRepresentation
bin1010010110101…
…10001010100100
320001102222010210
411023112022210
5134214013302
612341415420
72103205320
oct513261244
9201388123
1086860452
11450375a8
122510a570
1314cc2c23
14b770980
15795b66c
hex52d62a4

86860452 has 96 divisors (see below), whose sum is σ = 242161920. Its totient is φ = 23708160.

The previous prime is 86860447. The next prime is 86860453. The reversal of 86860452 is 25406868.

It is a self number, because there is not a number n which added to its sum of digits gives 86860452.

It is not an unprimeable number, because it can be changed into a prime (86860453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 440818 + ... + 441014.

It is an arithmetic number, because the mean of its divisors is an integer number (2522520).

Almost surely, 286860452 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 86860452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121080960).

86860452 is an abundant number, since it is smaller than the sum of its proper divisors (155301468).

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

86860452 is a wasteful number, since it uses less digits than its factorization.

86860452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 86860452 is about 9319.8954929763. The cubic root of 86860452 is about 442.8677220405.

The spelling of 86860452 in words is "eighty-six million, eight hundred sixty thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 29 42 58 84 87 116 174 181 197 203 348 362 394 406 543 591 609 724 788 812 1086 1182 1218 1267 1379 2172 2364 2436 2534 2758 3801 4137 5068 5249 5516 5713 7602 8274 10498 11426 15204 15747 16548 17139 20996 22852 31494 34278 35657 36743 39991 62988 68556 71314 73486 79982 106971 110229 119973 142628 146972 159964 213942 220458 239946 249599 427884 440916 479892 499198 748797 998396 1034053 1497594 2068106 2995188 3102159 4136212 6204318 7238371 12408636 14476742 21715113 28953484 43430226 86860452