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42130 = 2511383
BaseRepresentation
bin1010010010010010
32010210101
422102102
52322010
6523014
7233554
oct122222
963711
1042130
1129720
122046a
131623a
14114d4
15c73a
hexa492

42130 has 16 divisors (see below), whose sum is σ = 82944. Its totient is φ = 15280.

The previous prime is 42101. The next prime is 42131. The reversal of 42130 is 3124.

Adding to 42130 its reverse (3124), we get a palindrome (45254).

It can be divided in two parts, 42 and 130, that multiplied together give a triangular number (5460 = T104).

42130 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

42130 is strictly pandigital in base 6.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42131) 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, 82 + ... + 301.

It is an arithmetic number, because the mean of its divisors is an integer number (5184).

242130 is an apocalyptic number.

42130 is a deficient number, since it is larger than the sum of its proper divisors (40814).

42130 is a wasteful number, since it uses less digits than its factorization.

42130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 42130 is about 205.2559377947. The cubic root of 42130 is about 34.7960932770.

The spelling of 42130 in words is "forty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 383 766 1915 3830 4213 8426 21065 42130