Search a number
-
+
39927628 = 22131731247
BaseRepresentation
bin1001100001001…
…1111101001100
32210010112102001
42120103331030
540210141003
63543442044
7663244036
oct230237514
983115361
1039927628
11205a1244
1211456324
13836c920
145434c56
15378a61d
hex2613f4c

39927628 has 72 divisors (see below), whose sum is σ = 84079296. Its totient is φ = 16427520.

The previous prime is 39927617. The next prime is 39927649. The reversal of 39927628 is 82672993.

39927628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 849501 + ... + 849547.

It is an arithmetic number, because the mean of its divisors is an integer number (1167768).

Almost surely, 239927628 is an apocalyptic number.

It is an amenable number.

39927628 is an abundant number, since it is smaller than the sum of its proper divisors (44151668).

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

39927628 is a wasteful number, since it uses less digits than its factorization.

39927628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 110 counting only the distinct ones).

The product of its digits is 326592, while the sum is 46.

The square root of 39927628 is about 6318.8312210408. The cubic root of 39927628 is about 341.7888075177.

The spelling of 39927628 in words is "thirty-nine million, nine hundred twenty-seven thousand, six hundred twenty-eight".

Divisors: 1 2 4 13 17 26 31 34 47 52 62 68 94 124 188 221 403 442 527 611 799 806 884 961 1054 1222 1457 1598 1612 1922 2108 2444 2914 3196 3844 5828 6851 10387 12493 13702 16337 18941 20774 24769 24986 27404 32674 37882 41548 45167 49538 49972 65348 75764 90334 99076 180668 212381 321997 424762 587171 643994 767839 849524 1174342 1287988 1535678 2348684 3071356 9981907 19963814 39927628