Search a number
-
+
87006422 = 2405710723
BaseRepresentation
bin1010010111110…
…01110011010110
320001201101101002
411023321303112
5134233201142
612344503302
72104354016
oct513716326
9201641332
1087006422
1145127238
122517ab32
13150444b9
14b7abc46
157989a32
hex52f9cd6

87006422 has 8 divisors (see below), whose sum is σ = 130553976. Its totient is φ = 43488432.

The previous prime is 87006419. The next prime is 87006431. The reversal of 87006422 is 22460078.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2753 + ... + 13475.

It is an arithmetic number, because the mean of its divisors is an integer number (16319247).

Almost surely, 287006422 is an apocalyptic number.

87006422 is a deficient number, since it is larger than the sum of its proper divisors (43547554).

87006422 is a wasteful number, since it uses less digits than its factorization.

87006422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14782.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 87006422 is about 9327.7233020711. The cubic root of 87006422 is about 443.1156646551.

The spelling of 87006422 in words is "eighty-seven million, six thousand, four hundred twenty-two".

Divisors: 1 2 4057 8114 10723 21446 43503211 87006422