Search a number
-
+
42069208 = 2323228637
BaseRepresentation
bin1010000001111…
…0110011011000
32221011100002211
42200132303120
541232203313
64101404504
71020403516
oct240366330
987140084
1042069208
1121824245
1212109734
13893c62c
1458314b6
153a5ee3d
hex281ecd8

42069208 has 16 divisors (see below), whose sum is σ = 82309680. Its totient is φ = 20119968.

The previous prime is 42069163. The next prime is 42069221. The reversal of 42069208 is 80296024.

It is a self number, because there is not a number n which added to its sum of digits gives 42069208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114135 + ... + 114502.

It is an arithmetic number, because the mean of its divisors is an integer number (5144355).

Almost surely, 242069208 is an apocalyptic number.

It is an amenable number.

42069208 is a deficient number, since it is larger than the sum of its proper divisors (40240472).

42069208 is a wasteful number, since it uses less digits than its factorization.

42069208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228666 (or 228662 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 42069208 is about 6486.0780137152. The cubic root of 42069208 is about 347.7934873741.

The spelling of 42069208 in words is "forty-two million, sixty-nine thousand, two hundred eight".

Divisors: 1 2 4 8 23 46 92 184 228637 457274 914548 1829096 5258651 10517302 21034604 42069208