Search a number
-
+
86674047 = 3315091831
BaseRepresentation
bin1010010101010…
…00101001111111
320001002111102220
411022220221333
5134142032142
612333420423
72101501005
oct512505177
9201074386
1086674047
1144a1a549
122503a713
1314c59125
14b722a75
1579212ec
hex52a8a7f

86674047 has 16 divisors (see below), whose sum is σ = 119592960. Its totient is φ = 55778400.

The previous prime is 86674039. The next prime is 86674057. The reversal of 86674047 is 74047668.

It is not a de Polignac number, because 86674047 - 23 = 86674039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86674037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46422 + ... + 48252.

It is an arithmetic number, because the mean of its divisors is an integer number (7474560).

Almost surely, 286674047 is an apocalyptic number.

86674047 is a deficient number, since it is larger than the sum of its proper divisors (32918913).

86674047 is a wasteful number, since it uses less digits than its factorization.

86674047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374.

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 86674047 is about 9309.8897415598. The cubic root of 86674047 is about 442.5506929060.

The spelling of 86674047 in words is "eighty-six million, six hundred seventy-four thousand, forty-seven".

Divisors: 1 3 31 93 509 1527 1831 5493 15779 47337 56761 170283 931979 2795937 28891349 86674047