Search a number
-
+
52076521 = 773223457
BaseRepresentation
bin1100011010100…
…1111111101001
310121222202120001
43012221333221
5101312422041
65100103001
71201433410
oct306517751
9117882501
1052076521
1127439952
1215534a61
13aa34613
146cb8477
15488a131
hex31a9fe9

52076521 has 16 divisors (see below), whose sum is σ = 60734464. Its totient is φ = 43732224.

The previous prime is 52076513. The next prime is 52076533. The reversal of 52076521 is 12567025.

It is a cyclic number.

It is not a de Polignac number, because 52076521 - 23 = 52076513 is a prime.

It is a super-4 number, since 4×520765214 (a number of 32 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52076521.

It is not an unprimeable number, because it can be changed into a prime (52076551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113725 + ... + 114181.

It is an arithmetic number, because the mean of its divisors is an integer number (3795904).

Almost surely, 252076521 is an apocalyptic number.

It is an amenable number.

52076521 is a deficient number, since it is larger than the sum of its proper divisors (8657943).

52076521 is a wasteful number, since it uses less digits than its factorization.

52076521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 52076521 is about 7216.4063771381. The cubic root of 52076521 is about 373.4341127976.

The spelling of 52076521 in words is "fifty-two million, seventy-six thousand, five hundred twenty-one".

Divisors: 1 7 73 223 457 511 1561 3199 16279 33361 101911 113953 233527 713377 7439503 52076521