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86223340 = 2257312569
BaseRepresentation
bin1010010001110…
…10100111101100
320000020121012001
411020322213230
5134033121330
612320022044
72064613000
oct510724754
9200217161
1086223340
1144741965
1224a61924
1314b2bc38
14b646700
1578829ca
hex523a9ec

86223340 has 48 divisors (see below), whose sum is σ = 211176000. Its totient is φ = 29559936.

The previous prime is 86223331. The next prime is 86223359. The reversal of 86223340 is 4332268.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 86223299 and 86223308.

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, 576 + ... + 13144.

It is an arithmetic number, because the mean of its divisors is an integer number (4399500).

Almost surely, 286223340 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 86223340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105588000).

86223340 is an abundant number, since it is smaller than the sum of its proper divisors (124952660).

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

86223340 is a wasteful number, since it uses less digits than its factorization.

86223340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12599 (or 12583 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 86223340 is about 9285.6523734200. The cubic root of 86223340 is about 441.7822682249.

The spelling of 86223340 in words is "eighty-six million, two hundred twenty-three thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 343 490 686 980 1372 1715 3430 6860 12569 25138 50276 62845 87983 125690 175966 251380 351932 439915 615881 879830 1231762 1759660 2463524 3079405 4311167 6158810 8622334 12317620 17244668 21555835 43111670 86223340