[go: up one dir, main page]

Search a number
-
+
87070866 = 2314511811
BaseRepresentation
bin1010011000010…
…01100010010010
320001211122202220
411030021202102
5134242231431
612350121510
72105042631
oct514114222
9201748686
1087070866
11451706a3
12251b0296
131506792c
14b7c7518
15799db96
hex5309892

87070866 has 8 divisors (see below), whose sum is σ = 174141744. Its totient is φ = 29023620.

The previous prime is 87070861. The next prime is 87070873. The reversal of 87070866 is 66807078.

It is a sphenic number, since it is the product of 3 distinct primes.

87070866 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (87070861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7255900 + ... + 7255911.

It is an arithmetic number, because the mean of its divisors is an integer number (21767718).

Almost surely, 287070866 is an apocalyptic number.

87070866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87070866 is a wasteful number, since it uses less digits than its factorization.

87070866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14511816.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 87070866 is about 9331.1770961653. The cubic root of 87070866 is about 443.2250401004.

The spelling of 87070866 in words is "eighty-seven million, seventy thousand, eight hundred sixty-six".

Divisors: 1 2 3 6 14511811 29023622 43535433 87070866