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8691342 = 2311131687
BaseRepresentation
bin100001001001…
…111010001110
3121100120021120
4201021322032
54211110332
6510141410
7133606122
oct41117216
917316246
108691342
1149a6a30
122ab1866
131a5400a
141223582
15b6a32c
hex849e8e

8691342 has 16 divisors (see below), whose sum is σ = 18963072. Its totient is φ = 2633720.

The previous prime is 8691313. The next prime is 8691359. The reversal of 8691342 is 2431968.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

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, 65778 + ... + 65909.

It is an arithmetic number, because the mean of its divisors is an integer number (1185192).

Almost surely, 28691342 is an apocalyptic number.

8691342 is an abundant number, since it is smaller than the sum of its proper divisors (10271730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8691342 is a wasteful number, since it uses less digits than its factorization.

8691342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131703.

The product of its digits is 10368, while the sum is 33.

The square root of 8691342 is about 2948.1082069693. The cubic root of 8691342 is about 205.6027629368.

It can be divided in two parts, 869 and 1342, that added together give a triangular number (2211 = T66).

The spelling of 8691342 in words is "eight million, six hundred ninety-one thousand, three hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 131687 263374 395061 790122 1448557 2897114 4345671 8691342