Search a number
-
+
42485118 = 23134353239
BaseRepresentation
bin1010001000010…
…0010101111110
32221221110121220
42202010111332
541334010433
64114334210
71024055214
oct242042576
987843556
1042485118
1121a88775
121228a366
138a56a30
1458dccb4
153ae32b3
hex288457e

42485118 has 64 divisors (see below), whose sum is σ = 95800320. Its totient is φ = 12475008.

The previous prime is 42485101. The next prime is 42485123. The reversal of 42485118 is 81158424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177643 + ... + 177881.

It is an arithmetic number, because the mean of its divisors is an integer number (1496880).

Almost surely, 242485118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42485118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47900160).

42485118 is an abundant number, since it is smaller than the sum of its proper divisors (53315202).

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

42485118 is a wasteful number, since it uses less digits than its factorization.

42485118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353.

The product of its digits is 10240, while the sum is 33.

The square root of 42485118 is about 6518.0609079695. The cubic root of 42485118 is about 348.9358644936.

The spelling of 42485118 in words is "forty-two million, four hundred eighty-five thousand, one hundred eighteen".

Divisors: 1 2 3 6 13 26 39 43 53 78 86 106 129 159 239 258 318 478 559 689 717 1118 1378 1434 1677 2067 2279 3107 3354 4134 4558 6214 6837 9321 10277 12667 13674 18642 20554 25334 29627 30831 38001 59254 61662 76002 88881 133601 164671 177762 267202 329342 400803 494013 544681 801606 988026 1089362 1634043 3268086 7080853 14161706 21242559 42485118