Search a number
-
+
51458914 = 2131979189
BaseRepresentation
bin1100010001001…
…1001101100010
310120211101100201
43010103031202
5101133141124
65034535414
71163251663
oct304231542
9116741321
1051458914
1127057931
121529756a
13a879480
146b9736a
1547b7144
hex3113362

51458914 has 8 divisors (see below), whose sum is σ = 83125980. Its totient is φ = 23750256.

The previous prime is 51458909. The next prime is 51458923. The reversal of 51458914 is 41985415.

It can be written as a sum of positive squares in 2 ways, for example, as 51365889 + 93025 = 7167^2 + 305^2 .

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

It is an unprimeable number.

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, 989569 + ... + 989620.

Almost surely, 251458914 is an apocalyptic number.

51458914 is a deficient number, since it is larger than the sum of its proper divisors (31667066).

51458914 is a wasteful number, since it uses less digits than its factorization.

51458914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979204.

The product of its digits is 28800, while the sum is 37.

The square root of 51458914 is about 7173.4868787780. The cubic root of 51458914 is about 371.9519776526.

The spelling of 51458914 in words is "fifty-one million, four hundred fifty-eight thousand, nine hundred fourteen".

Divisors: 1 2 13 26 1979189 3958378 25729457 51458914