Search a number
-
+
84026531 = 1927116319
BaseRepresentation
bin1010000001000…
…10010010100011
312212002222201202
411000202102203
5133002322111
612200551415
72040133211
oct500422243
9185088652
1084026531
1143481416
122418256b
1314540054
14b233cb1
15759bb3b
hex50224a3

84026531 has 8 divisors (see below), whose sum is σ = 88780800. Its totient is φ = 79305480.

The previous prime is 84026513. The next prime is 84026539. The reversal of 84026531 is 13562048.

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 84026531 - 210 = 84025507 is a prime.

It is a super-2 number, since 2×840265312 = 14120915823787922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84026494 and 84026503.

It is not an unprimeable number, because it can be changed into a prime (84026539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3011 + ... + 13308.

It is an arithmetic number, because the mean of its divisors is an integer number (11097600).

Almost surely, 284026531 is an apocalyptic number.

84026531 is a deficient number, since it is larger than the sum of its proper divisors (4754269).

84026531 is a wasteful number, since it uses less digits than its factorization.

84026531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16609.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 84026531 is about 9166.5986603538. The cubic root of 84026531 is about 437.9980174775.

Adding to 84026531 its reverse (13562048), we get a palindrome (97588579).

The spelling of 84026531 in words is "eighty-four million, twenty-six thousand, five hundred thirty-one".

Divisors: 1 19 271 5149 16319 310061 4422449 84026531