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42513146 = 21319412099
BaseRepresentation
bin1010001000101…
…1001011111010
32221222220001222
42202023023322
541340410041
64115112042
71024233014
oct242131372
987886058
1042513146
1121aa7835
12122a2622
138a66710
1459091b4
153aeb74b
hex288b2fa

42513146 has 32 divisors (see below), whose sum is σ = 74088000. Its totient is φ = 18126720.

The previous prime is 42513143. The next prime is 42513169. The reversal of 42513146 is 64131524.

42513146 is digitally balanced in base 2, 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 (26).

It is not an unprimeable number, because it can be changed into a prime (42513143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19205 + ... + 21303.

It is an arithmetic number, because the mean of its divisors is an integer number (2315250).

Almost surely, 242513146 is an apocalyptic number.

42513146 is a deficient number, since it is larger than the sum of its proper divisors (31574854).

42513146 is a wasteful number, since it uses less digits than its factorization.

42513146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174.

The product of its digits is 2880, while the sum is 26.

The square root of 42513146 is about 6520.2105794215. The cubic root of 42513146 is about 349.0125801767.

The spelling of 42513146 in words is "forty-two million, five hundred thirteen thousand, one hundred forty-six".

Divisors: 1 2 13 19 26 38 41 82 247 494 533 779 1066 1558 2099 4198 10127 20254 27287 39881 54574 79762 86059 172118 518453 1036906 1118767 1635121 2237534 3270242 21256573 42513146