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51914943 = 325768327
BaseRepresentation
bin1100011000001…
…0100010111111
310121200112220200
43012002202333
5101242234233
65052414543
71200161343
oct306024277
9117615820
1051914943
1127339513
1215477453
13a9a8c02
146c75623
154857313
hex31828bf

51914943 has 6 divisors (see below), whose sum is σ = 74988264. Its totient is φ = 34609956.

The previous prime is 51914939. The next prime is 51914969. The reversal of 51914943 is 34941915.

It is a happy number.

51914943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51914943 - 22 = 51914939 is a prime.

It is a super-2 number, since 2×519149432 = 5390322613386498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51914898 and 51914907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51914143) 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 5 ways as a sum of consecutive naturals, for example, 2884155 + ... + 2884172.

It is an arithmetic number, because the mean of its divisors is an integer number (12498044).

Almost surely, 251914943 is an apocalyptic number.

51914943 is a deficient number, since it is larger than the sum of its proper divisors (23073321).

51914943 is a wasteful number, since it uses less digits than its factorization.

51914943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5768333 (or 5768330 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 51914943 is about 7205.2024954195. The cubic root of 51914943 is about 373.0474942338.

The spelling of 51914943 in words is "fifty-one million, nine hundred fourteen thousand, nine hundred forty-three".

Divisors: 1 3 9 5768327 17304981 51914943