Search a number
-
+
39485481 = 374373599
BaseRepresentation
bin1001011010100…
…0000000101001
32202022001220020
42112220000221
540102013411
63530151053
7656423010
oct226500051
982261806
1039485481
112031a032
1211282489
1382465b9
14535ba77
1536ee606
hex25a8029

39485481 has 32 divisors (see below), whose sum is σ = 62515200. Its totient is φ = 21700224.

The previous prime is 39485471. The next prime is 39485489. The reversal of 39485481 is 18458493.

It is not a de Polignac number, because 39485481 - 25 = 39485449 is a prime.

It is a super-2 number, since 2×394854812 = 3118206419602722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39485489) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65620 + ... + 66218.

It is an arithmetic number, because the mean of its divisors is an integer number (1953600).

Almost surely, 239485481 is an apocalyptic number.

It is an amenable number.

39485481 is a deficient number, since it is larger than the sum of its proper divisors (23029719).

39485481 is a wasteful number, since it uses less digits than its factorization.

39485481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725.

The product of its digits is 138240, while the sum is 42.

The square root of 39485481 is about 6283.7473692057. The cubic root of 39485481 is about 340.5224982493.

The spelling of 39485481 in words is "thirty-nine million, four hundred eighty-five thousand, four hundred eighty-one".

Divisors: 1 3 7 21 43 73 129 219 301 511 599 903 1533 1797 3139 4193 9417 12579 21973 25757 43727 65919 77271 131181 180299 306089 540897 918267 1880261 5640783 13161827 39485481