Search a number
-
+
86939272 = 23710914243
BaseRepresentation
bin1010010111010…
…01011010001000
320001120222021001
411023221122020
5134224024042
612343224344
72103654160
oct513513210
9201528231
1086939272
1145090842
12251480b4
131501ca74
14b7915a0
157974bb7
hex52e9688

86939272 has 32 divisors (see below), whose sum is σ = 188020800. Its totient is φ = 36915264.

The previous prime is 86939261. The next prime is 86939299. The reversal of 86939272 is 27293968.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018 + ... + 13225.

It is an arithmetic number, because the mean of its divisors is an integer number (5875650).

Almost surely, 286939272 is an apocalyptic number.

It is an amenable number.

86939272 is an abundant number, since it is smaller than the sum of its proper divisors (101081528).

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

86939272 is a wasteful number, since it uses less digits than its factorization.

86939272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14365 (or 14361 counting only the distinct ones).

The product of its digits is 326592, while the sum is 46.

The square root of 86939272 is about 9324.1231223102. The cubic root of 86939272 is about 443.0016390681.

The spelling of 86939272 in words is "eighty-six million, nine hundred thirty-nine thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 109 218 436 763 872 1526 3052 6104 14243 28486 56972 99701 113944 199402 398804 797608 1552487 3104974 6209948 10867409 12419896 21734818 43469636 86939272