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42522 = 2319373
BaseRepresentation
bin1010011000011010
32011022220
422120122
52330042
6524510
7234654
oct123032
964286
1042522
1129a47
1220736
131647c
14116d4
15c8ec
hexa61a

42522 has 16 divisors (see below), whose sum is σ = 89760. Its totient is φ = 13392.

The previous prime is 42509. The next prime is 42533. The reversal of 42522 is 22524.

It is an unprimeable number.

42522 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73 + ... + 300.

It is an arithmetic number, because the mean of its divisors is an integer number (5610).

242522 is an apocalyptic number.

42522 is an abundant number, since it is smaller than the sum of its proper divisors (47238).

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 (44880).

42522 is a wasteful number, since it uses less digits than its factorization.

42522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397.

The product of its digits is 160, while the sum is 15.

The square root of 42522 is about 206.2086322150. The cubic root of 42522 is about 34.9036807529.

The spelling of 42522 in words is "forty-two thousand, five hundred twenty-two".

Divisors: 1 2 3 6 19 38 57 114 373 746 1119 2238 7087 14174 21261 42522