Search a number
-
+
84086901 = 32471371451
BaseRepresentation
bin1010000001100…
…01000001110101
312212020001112200
411000301001311
5133011240101
612202135113
72040504213
oct500610165
9185201480
1084086901
1143512808
12241b1499
1314561682
14b24bcb3
1575ae986
hex5031075

84086901 has 24 divisors (see below), whose sum is σ = 125034624. Its totient is φ = 54427200.

The previous prime is 84086897. The next prime is 84086923. The reversal of 84086901 is 10968048.

It is a happy number.

It is not a de Polignac number, because 84086901 - 22 = 84086897 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84086201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57226 + ... + 58676.

It is an arithmetic number, because the mean of its divisors is an integer number (5209776).

Almost surely, 284086901 is an apocalyptic number.

It is an amenable number.

84086901 is a deficient number, since it is larger than the sum of its proper divisors (40947723).

84086901 is a wasteful number, since it uses less digits than its factorization.

84086901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641 (or 1638 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 84086901 is about 9169.8910026237. The cubic root of 84086901 is about 438.1028875703.

The spelling of 84086901 in words is "eighty-four million, eighty-six thousand, nine hundred one".

Divisors: 1 3 9 47 137 141 411 423 1233 1451 4353 6439 13059 19317 57951 68197 198787 204591 596361 613773 1789083 9342989 28028967 84086901