Search a number
-
+
84713631 = 3109725741
BaseRepresentation
bin1010000110010…
…10000010011111
312220101220020220
411003022002133
5133141314011
612223412423
72046024342
oct503120237
9186356226
1084713631
1143900672
1224454113
1314720a12
14b372459
157685506
hex50ca09f

84713631 has 8 divisors (see below), whose sum is σ = 113058864. Its totient is φ = 56422080.

The previous prime is 84713627. The next prime is 84713641. The reversal of 84713631 is 13631748.

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

It is not a de Polignac number, because 84713631 - 22 = 84713627 is a prime.

It is a super-2 number, since 2×847136312 = 14352798554408322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84713592 and 84713601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84713621) 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, 9580 + ... + 16161.

It is an arithmetic number, because the mean of its divisors is an integer number (14132358).

Almost surely, 284713631 is an apocalyptic number.

84713631 is a deficient number, since it is larger than the sum of its proper divisors (28345233).

84713631 is a wasteful number, since it uses less digits than its factorization.

84713631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26841.

The product of its digits is 12096, while the sum is 33.

The square root of 84713631 is about 9204.0008148631. Note that the first 3 decimals coincide. The cubic root of 84713631 is about 439.1886407940.

The spelling of 84713631 in words is "eighty-four million, seven hundred thirteen thousand, six hundred thirty-one".

Divisors: 1 3 1097 3291 25741 77223 28237877 84713631