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42300012 = 223171012053
BaseRepresentation
bin1010000101011…
…1001001101100
32221121001201010
42201113021230
541312100022
64110345220
71022354436
oct241271154
987531633
1042300012
1121971697
12121bb210
1389c06c1
145891656
153aa850c
hex285726c

42300012 has 48 divisors (see below), whose sum is σ = 105592032. Its totient is φ = 13132800.

The previous prime is 42300001. The next prime is 42300019. The reversal of 42300012 is 21000324.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (42300019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19578 + ... + 21630.

It is an arithmetic number, because the mean of its divisors is an integer number (2199834).

Almost surely, 242300012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42300012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52796016).

42300012 is an abundant number, since it is smaller than the sum of its proper divisors (63292020).

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

42300012 is a wasteful number, since it uses less digits than its factorization.

42300012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178 (or 2176 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 42300012 is about 6503.8459391348. The cubic root of 42300012 is about 348.4283600745.

Adding to 42300012 its reverse (21000324), we get a palindrome (63300336).

The spelling of 42300012 in words is "forty-two million, three hundred thousand, twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 101 102 202 204 303 404 606 1212 1717 2053 3434 4106 5151 6159 6868 8212 10302 12318 20604 24636 34901 69802 104703 139604 207353 209406 414706 418812 622059 829412 1244118 2488236 3525001 7050002 10575003 14100004 21150006 42300012