Search a number
-
+
51764828 = 2212941207
BaseRepresentation
bin1100010101110…
…1111001011100
310121101220222212
43011131321130
5101222433303
65045255552
71165664603
oct305357134
9117356885
1051764828
1127246755
12154045b8
13a95579b
146c36a3a
154827ad8
hex315de5c

51764828 has 6 divisors (see below), whose sum is σ = 90588456. Its totient is φ = 25882412.

The previous prime is 51764827. The next prime is 51764833. The reversal of 51764828 is 82846715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51764827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6470600 + ... + 6470607.

It is an arithmetic number, because the mean of its divisors is an integer number (15098076).

Almost surely, 251764828 is an apocalyptic number.

It is an amenable number.

51764828 is a deficient number, since it is larger than the sum of its proper divisors (38823628).

51764828 is a wasteful number, since it uses less digits than its factorization.

51764828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12941211 (or 12941209 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 51764828 is about 7194.7778283975. Note that the first 3 decimals coincide. The cubic root of 51764828 is about 372.6875844533.

The spelling of 51764828 in words is "fifty-one million, seven hundred sixty-four thousand, eight hundred twenty-eight".

Divisors: 1 2 4 12941207 25882414 51764828