Search a number
-
+
52067920 = 245787827
BaseRepresentation
bin1100011010011…
…1111001010000
310121222022202111
43012213321100
5101312133140
65055555104
71201366342
oct306477120
9117868674
1052067920
1127433443
121552ba94
13aa30728
146cb5292
1548877ea
hex31a7e50

52067920 has 40 divisors (see below), whose sum is σ = 121358304. Its totient is φ = 20775552.

The previous prime is 52067893. The next prime is 52067927. The reversal of 52067920 is 2976025.

52067920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×520679202 = 5422136586252800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52067927) 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 7 ways as a sum of consecutive naturals, for example, 62547 + ... + 63373.

Almost surely, 252067920 is an apocalyptic number.

It is an amenable number.

52067920 is an abundant number, since it is smaller than the sum of its proper divisors (69290384).

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

52067920 is a wasteful number, since it uses less digits than its factorization.

52067920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627 (or 1621 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 52067920 is about 7215.8104187957. The cubic root of 52067920 is about 373.4135527731.

The spelling of 52067920 in words is "fifty-two million, sixty-seven thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 787 827 1574 1654 3148 3308 3935 4135 6296 6616 7870 8270 12592 13232 15740 16540 31480 33080 62960 66160 650849 1301698 2603396 3254245 5206792 6508490 10413584 13016980 26033960 52067920