Search a number
-
+
51253112 = 236406639
BaseRepresentation
bin1100001110000…
…0111101111000
310120102221001102
43003200331320
5101110044422
65030310532
71161433661
oct303407570
9116387042
1051253112
1126a27249
12151b8448
13a8068b1
146b42368
154776192
hex30e0f78

51253112 has 8 divisors (see below), whose sum is σ = 96099600. Its totient is φ = 25626552.

The previous prime is 51253099. The next prime is 51253117. The reversal of 51253112 is 21135215.

It is a happy number.

51253112 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 (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51253117) 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 as a sum of consecutive naturals, namely, 3203312 + ... + 3203327.

It is an arithmetic number, because the mean of its divisors is an integer number (12012450).

Almost surely, 251253112 is an apocalyptic number.

It is an amenable number.

51253112 is a deficient number, since it is larger than the sum of its proper divisors (44846488).

51253112 is a wasteful number, since it uses less digits than its factorization.

51253112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406645 (or 6406641 counting only the distinct ones).

The product of its digits is 300, while the sum is 20.

The square root of 51253112 is about 7159.1278798468. The cubic root of 51253112 is about 371.4554602681.

Adding to 51253112 its reverse (21135215), we get a palindrome (72388327).

The spelling of 51253112 in words is "fifty-one million, two hundred fifty-three thousand, one hundred twelve".

Divisors: 1 2 4 8 6406639 12813278 25626556 51253112