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86000000 = 275643
BaseRepresentation
bin1010010000001…
…00000110000000
312222211020211012
411020010012000
5134004000000
612311140052
72062662602
oct510040600
9188736735
1086000000
11445aa089
1224974628
1314a81398
14b5c9172
15783b735
hex5204180

86000000 has 112 divisors (see below), whose sum is σ = 219137820. Its totient is φ = 33600000.

The previous prime is 85999937. The next prime is 86000009. The reversal of 86000000 is 68.

Adding to 86000000 its reverse (68), we get a palindrome (86000068).

It is a happy number.

86000000 is nontrivially palindromic in base 7.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86000009) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1999979 + ... + 2000021.

Almost surely, 286000000 is an apocalyptic number.

86000000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109568910).

86000000 is an abundant number, since it is smaller than the sum of its proper divisors (133137820).

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

86000000 is an frugal number, since it uses more digits than its factorization.

86000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 86000000 is about 9273.6184954957. The cubic root of 86000000 is about 441.4004962442.

The spelling of 86000000 in words is "eighty-six million", and thus it is an aban number and an uban number.

Divisors: 1 2 4 5 8 10 16 20 25 32 40 43 50 64 80 86 100 125 128 160 172 200 215 250 320 344 400 430 500 625 640 688 800 860 1000 1075 1250 1376 1600 1720 2000 2150 2500 2752 3125 3200 3440 4000 4300 5000 5375 5504 6250 6880 8000 8600 10000 10750 12500 13760 15625 16000 17200 20000 21500 25000 26875 27520 31250 34400 40000 43000 50000 53750 62500 68800 80000 86000 100000 107500 125000 134375 137600 172000 200000 215000 250000 268750 344000 400000 430000 500000 537500 671875 688000 860000 1000000 1075000 1343750 1720000 2000000 2150000 2687500 3440000 4300000 5375000 8600000 10750000 17200000 21500000 43000000 86000000