Search a number
-
+
86087973 = 347610553
BaseRepresentation
bin1010010000110…
…01100100100101
312222222201111110
411020121210211
5134014303343
612313055233
72063510226
oct510314445
9188881443
1086087973
114465a194
12249b7519
1314ab243a
14b60d24d
157857833
hex5219925

86087973 has 8 divisors (see below), whose sum is σ = 117226368. Its totient is φ = 56170784.

The previous prime is 86087971. The next prime is 86087977. The reversal of 86087973 is 37978068.

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

It is a cyclic number.

It is not a de Polignac number, because 86087973 - 21 = 86087971 is a prime.

It is a super-2 number, since 2×860879732 = 14822278190497458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86087971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305136 + ... + 305417.

It is an arithmetic number, because the mean of its divisors is an integer number (14653296).

Almost surely, 286087973 is an apocalyptic number.

It is an amenable number.

86087973 is a deficient number, since it is larger than the sum of its proper divisors (31138395).

86087973 is a wasteful number, since it uses less digits than its factorization.

86087973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610603.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 86087973 is about 9278.3604693933. The cubic root of 86087973 is about 441.5509539676.

The spelling of 86087973 in words is "eighty-six million, eighty-seven thousand, nine hundred seventy-three".

Divisors: 1 3 47 141 610553 1831659 28695991 86087973