Search a number
-
+
42455608 = 23132317749
BaseRepresentation
bin1010000111110…
…1001000111000
32221212222010221
42201331020320
541332034413
64113545424
71023603166
oct241751070
987788127
1042455608
1121a68588
1212275274
138a46480
1458d2236
153ad968d
hex287d238

42455608 has 32 divisors (see below), whose sum is σ = 89460000. Its totient is φ = 18741888.

The previous prime is 42455603. The next prime is 42455641. The reversal of 42455608 is 80655424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42455603) 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, 6483 + ... + 11266.

It is an arithmetic number, because the mean of its divisors is an integer number (2795625).

Almost surely, 242455608 is an apocalyptic number.

It is an amenable number.

42455608 is an abundant number, since it is smaller than the sum of its proper divisors (47004392).

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

42455608 is a wasteful number, since it uses less digits than its factorization.

42455608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17791 (or 17787 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 42455608 is about 6515.7968046894. The cubic root of 42455608 is about 348.8550559433.

The spelling of 42455608 in words is "forty-two million, four hundred fifty-five thousand, six hundred eight".

Divisors: 1 2 4 8 13 23 26 46 52 92 104 184 299 598 1196 2392 17749 35498 70996 141992 230737 408227 461474 816454 922948 1632908 1845896 3265816 5306951 10613902 21227804 42455608