Search a number
-
+
86197100 = 225211233407
BaseRepresentation
bin1010010001101…
…00001101101100
320000012021012012
411020310031230
5134031301400
612315300352
72064443333
oct510641554
9200167165
1086197100
1144724180
1224a4a6b8
1314b20002
14b63ad1a
157879d35
hex523436c

86197100 has 72 divisors (see below), whose sum is σ = 212986368. Its totient is φ = 29972800.

The previous prime is 86197093. The next prime is 86197103. The reversal of 86197100 is 179168.

It is not an unprimeable number, because it can be changed into a prime (86197103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23597 + ... + 27003.

It is an arithmetic number, because the mean of its divisors is an integer number (2958144).

Almost surely, 286197100 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 86197100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106493184).

86197100 is an abundant number, since it is smaller than the sum of its proper divisors (126789268).

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

86197100 is a wasteful number, since it uses less digits than its factorization.

86197100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455 (or 3448 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 86197100 is about 9284.2393334080. The cubic root of 86197100 is about 441.7374484083.

The spelling of 86197100 in words is "eighty-six million, one hundred ninety-seven thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 23 25 44 46 50 55 92 100 110 115 220 230 253 275 460 506 550 575 1012 1100 1150 1265 2300 2530 3407 5060 6325 6814 12650 13628 17035 25300 34070 37477 68140 74954 78361 85175 149908 156722 170350 187385 313444 340700 374770 391805 749540 783610 861971 936925 1567220 1723942 1873850 1959025 3447884 3747700 3918050 4309855 7836100 8619710 17239420 21549275 43098550 86197100