Search a number
-
+
52121049 = 337499941
BaseRepresentation
bin1100011011010…
…0110111011001
310122002000122020
43012310313121
5101320333144
65101045053
71202010261
oct306646731
9118060566
1052121049
112746a352
1215556789
13aa4b976
146cca7a1
154898419
hex31b4dd9

52121049 has 16 divisors (see below), whose sum is σ = 71592000. Its totient is φ = 33704640.

The previous prime is 52121021. The next prime is 52121053. The reversal of 52121049 is 94012125.

It is not a de Polignac number, because 52121049 - 213 = 52112857 is a prime.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (52121549) 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, 54919 + ... + 55859.

It is an arithmetic number, because the mean of its divisors is an integer number (4474500).

Almost surely, 252121049 is an apocalyptic number.

It is an amenable number.

52121049 is a deficient number, since it is larger than the sum of its proper divisors (19470951).

52121049 is a wasteful number, since it uses less digits than its factorization.

52121049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 52121049 is about 7219.4909100296. The cubic root of 52121049 is about 373.5405173524.

The spelling of 52121049 in words is "fifty-two million, one hundred twenty-one thousand, forty-nine".

Divisors: 1 3 37 111 499 941 1497 2823 18463 34817 55389 104451 469559 1408677 17373683 52121049