Search a number
-
+
39490908 = 2232326221
BaseRepresentation
bin1001011010100…
…1010101011100
32202022100100020
42112221111130
540102202113
63530232140
7656444562
oct226512534
982270306
1039490908
1120323116
1211285650
138248c02
14535da32
153701023
hex25a955c

39490908 has 36 divisors (see below), whose sum is σ = 96341448. Its totient is φ = 12589280.

The previous prime is 39490907. The next prime is 39490961. The reversal of 39490908 is 80909493.

39490908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 39490908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39490907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3238 + ... + 9458.

Almost surely, 239490908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39490908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48170724).

39490908 is an abundant number, since it is smaller than the sum of its proper divisors (56850540).

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

39490908 is a wasteful number, since it uses less digits than its factorization.

39490908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6274 (or 6249 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 39490908 is about 6284.1791826777. The cubic root of 39490908 is about 340.5380983373.

The spelling of 39490908 in words is "thirty-nine million, four hundred ninety thousand, nine hundred eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 529 1058 1587 2116 3174 6221 6348 12442 18663 24884 37326 74652 143083 286166 429249 572332 858498 1716996 3290909 6581818 9872727 13163636 19745454 39490908