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86217376 = 2571512549
BaseRepresentation
bin1010010001110…
…01001010100000
320000020022000011
411020321022200
5134032424001
612315534304
72064556420
oct510711240
9200208004
1086217376
1144738433
1224a5a394
1314b292cb
14b644480
157880d51
hex52392a0

86217376 has 48 divisors (see below), whose sum is σ = 195350400. Its totient is φ = 36691200.

The previous prime is 86217371. The next prime is 86217401. The reversal of 86217376 is 67371268.

It is not an unprimeable number, because it can be changed into a prime (86217371) 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, 32550 + ... + 35098.

It is an arithmetic number, because the mean of its divisors is an integer number (4069800).

Almost surely, 286217376 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 86217376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97675200).

86217376 is an abundant number, since it is smaller than the sum of its proper divisors (109133024).

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

86217376 is a wasteful number, since it uses less digits than its factorization.

86217376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717 (or 2709 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 86217376 is about 9285.3312272638. The cubic root of 86217376 is about 441.7720820804.

The spelling of 86217376 in words is "eighty-six million, two hundred seventeen thousand, three hundred seventy-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 151 224 302 604 1057 1208 2114 2416 2549 4228 4832 5098 8456 10196 16912 17843 20392 33824 35686 40784 71372 81568 142744 285488 384899 570976 769798 1539596 2694293 3079192 5388586 6158384 10777172 12316768 21554344 43108688 86217376