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51914042 = 2191366159
BaseRepresentation
bin1100011000001…
…0010100111010
310121200111200022
43012002110322
5101242222132
65052410442
71200155615
oct306022472
9117614608
1051914042
1127338874
1215476a22
13a9a868b
146c7517c
154856e12
hex318253a

51914042 has 8 divisors (see below), whose sum is σ = 81969600. Its totient is φ = 24590844.

The previous prime is 51914021. The next prime is 51914047. The reversal of 51914042 is 24041915.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (51914047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683042 + ... + 683117.

It is an arithmetic number, because the mean of its divisors is an integer number (10246200).

Almost surely, 251914042 is an apocalyptic number.

51914042 is a deficient number, since it is larger than the sum of its proper divisors (30055558).

51914042 is a wasteful number, since it uses less digits than its factorization.

51914042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366180.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 51914042 is about 7205.1399708819. The cubic root of 51914042 is about 373.0453361028.

Adding to 51914042 its reverse (24041915), we get a palindrome (75955957).

The spelling of 51914042 in words is "fifty-one million, nine hundred fourteen thousand, forty-two".

Divisors: 1 2 19 38 1366159 2732318 25957021 51914042