Search a number
-
+
42512632 = 2310351593
BaseRepresentation
bin1010001000101…
…1000011111000
32221222212100221
42202023003320
541340401012
64115105424
71024231351
oct242130370
987885327
1042512632
1121aa7408
12122a2274
138a66406
145908d28
153aeb507
hex288b0f8

42512632 has 16 divisors (see below), whose sum is σ = 80486640. Its totient is φ = 21049536.

The previous prime is 42512629. The next prime is 42512651. The reversal of 42512632 is 23621524.

It is a junction number, because it is equal to n+sod(n) for n = 42512597 and 42512606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24973 + ... + 26620.

It is an arithmetic number, because the mean of its divisors is an integer number (5030415).

Almost surely, 242512632 is an apocalyptic number.

It is an amenable number.

42512632 is a deficient number, since it is larger than the sum of its proper divisors (37974008).

42512632 is a wasteful number, since it uses less digits than its factorization.

42512632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51702 (or 51698 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 42512632 is about 6520.1711633975. The cubic root of 42512632 is about 349.0111736064.

The spelling of 42512632 in words is "forty-two million, five hundred twelve thousand, six hundred thirty-two".

Divisors: 1 2 4 8 103 206 412 824 51593 103186 206372 412744 5314079 10628158 21256316 42512632