Search a number
-
+
52669740 = 22351751637
BaseRepresentation
bin1100100011101…
…0110100101100
310200002220022010
43020322310230
5101440412430
65120521220
71206454044
oct310726454
9120086263
1052669740
1127804612
1215780210
13abb1636
146dd0724
154955cb0
hex323ad2c

52669740 has 48 divisors (see below), whose sum is σ = 156153312. Its totient is φ = 13218816.

The previous prime is 52669709. The next prime is 52669763. The reversal of 52669740 is 4796625.

52669740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×526697403 (a number of 24 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 24799 + ... + 26838.

It is an arithmetic number, because the mean of its divisors is an integer number (3253194).

Almost surely, 252669740 is an apocalyptic number.

It is an amenable number.

52669740 is an abundant number, since it is smaller than the sum of its proper divisors (103483572).

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

52669740 is a wasteful number, since it uses less digits than its factorization.

52669740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51666 (or 51664 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 52669740 is about 7257.3920935829. The cubic root of 52669740 is about 374.8467284739.

The spelling of 52669740 in words is "fifty-two million, six hundred sixty-nine thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 51637 103274 154911 206548 258185 309822 516370 619644 774555 877829 1032740 1549110 1755658 2633487 3098220 3511316 4389145 5266974 8778290 10533948 13167435 17556580 26334870 52669740