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42654 = 237109
BaseRepresentation
bin1010011010011110
32011111210
422122132
52331104
6525250
7235233
oct123236
964453
1042654
112a057
1220826
1316551
141178a
15c989
hexa69e

42654 has 8 divisors (see below), whose sum is σ = 85320. Its totient is φ = 14216.

The previous prime is 42649. The next prime is 42667. The reversal of 42654 is 45624.

It is a happy number.

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

42654 is an admirable number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 42654.

It is a congruent number.

It is an unprimeable number.

42654 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3549 + ... + 3560.

It is an arithmetic number, because the mean of its divisors is an integer number (10665).

242654 is an apocalyptic number.

42654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42660).

42654 is a wasteful number, since it uses less digits than its factorization.

42654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7114.

The product of its digits is 960, while the sum is 21.

The square root of 42654 is about 206.5284484036. The cubic root of 42654 is about 34.9397603245.

It can be divided in two parts, 42 and 654, that added together give a palindrome (696).

The spelling of 42654 in words is "forty-two thousand, six hundred fifty-four".

Divisors: 1 2 3 6 7109 14218 21327 42654