Search a number
-
+
42208656 = 2437125621
BaseRepresentation
bin1010000100000…
…0110110010000
32221102102101120
42201000312100
541301134111
64104402240
71021524210
oct241006620
987372346
1042208656
1121909a96
1212176380
13898ac49
14586a240
153a8b406
hex2840d90

42208656 has 40 divisors (see below), whose sum is σ = 124617024. Its totient is φ = 12059520.

The previous prime is 42208631. The next prime is 42208667. The reversal of 42208656 is 65680224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62475 + ... + 63146.

Almost surely, 242208656 is an apocalyptic number.

It is an amenable number.

42208656 is an abundant number, since it is smaller than the sum of its proper divisors (82408368).

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

42208656 is a wasteful number, since it uses less digits than its factorization.

42208656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125639 (or 125633 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 42208656 is about 6496.8189138993. The cubic root of 42208656 is about 348.1773438800.

The spelling of 42208656 in words is "forty-two million, two hundred eight thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 125621 251242 376863 502484 753726 879347 1004968 1507452 1758694 2009936 2638041 3014904 3517388 5276082 6029808 7034776 10552164 14069552 21104328 42208656