Search a number
-
+
87307266 = 2316787133
BaseRepresentation
bin1010011010000…
…11010000000010
320002021200001110
411031003100002
5134322313031
612355144150
72110046064
oct515032002
9202250043
1087307266
1145312272
12252a5056
131511b407
14b849734
1579e8c46
hex5343402

87307266 has 16 divisors (see below), whose sum is σ = 175662144. Its totient is φ = 28927824.

The previous prime is 87307237. The next prime is 87307273. The reversal of 87307266 is 66270378.

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, 42565 + ... + 44568.

It is an arithmetic number, because the mean of its divisors is an integer number (10978884).

Almost surely, 287307266 is an apocalyptic number.

87307266 is an abundant number, since it is smaller than the sum of its proper divisors (88354878).

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

87307266 is a wasteful number, since it uses less digits than its factorization.

87307266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87305.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 87307266 is about 9343.8357220148. The cubic root of 87307266 is about 443.6258006976.

The spelling of 87307266 in words is "eighty-seven million, three hundred seven thousand, two hundred sixty-six".

Divisors: 1 2 3 6 167 334 501 1002 87133 174266 261399 522798 14551211 29102422 43653633 87307266