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42190 = 254219
BaseRepresentation
bin1010010011001110
32010212121
422103032
52322230
6523154
7234001
oct122316
963777
1042190
1129775
12204ba
1316285
1411538
15c77a
hexa4ce

42190 has 8 divisors (see below), whose sum is σ = 75960. Its totient is φ = 16872.

The previous prime is 42187. The next prime is 42193. The reversal of 42190 is 9124.

42190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42187) and next prime (42193).

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

It is a super-2 number, since 2×421902 = 3559992200, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 42190.

It is not an unprimeable number, because it can be changed into a prime (42193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2100 + ... + 2119.

It is an arithmetic number, because the mean of its divisors is an integer number (9495).

242190 is an apocalyptic number.

42190 is a deficient number, since it is larger than the sum of its proper divisors (33770).

42190 is a wasteful number, since it uses less digits than its factorization.

42190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 42190 is about 205.4020447805. The cubic root of 42190 is about 34.8126038813.

It can be divided in two parts, 42 and 190, that added together give a palindrome (232).

The spelling of 42190 in words is "forty-two thousand, one hundred ninety".

Divisors: 1 2 5 10 4219 8438 21095 42190