Search a number
-
+
51144098 = 225572049
BaseRepresentation
bin1100001100011…
…0010110100010
310120020101111212
43003012112202
5101043102343
65024110122
71160501105
oct303062642
9116211455
1051144098
1126962355
1215165342
13a7990a5
146b1473c
154753c18
hex30c65a2

51144098 has 4 divisors (see below), whose sum is σ = 76716150. Its totient is φ = 25572048.

The previous prime is 51144073. The next prime is 51144127. The reversal of 51144098 is 89044115.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89044115 = 517808823.

It can be written as a sum of positive squares in only one way, i.e., 47430769 + 3713329 = 6887^2 + 1927^2 .

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 as a sum of consecutive naturals, namely, 12786023 + ... + 12786026.

Almost surely, 251144098 is an apocalyptic number.

51144098 is a deficient number, since it is larger than the sum of its proper divisors (25572052).

51144098 is a wasteful number, since it uses less digits than its factorization.

51144098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25572051.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 51144098 is about 7151.5101901626. The cubic root of 51144098 is about 371.1919147147.

The spelling of 51144098 in words is "fifty-one million, one hundred forty-four thousand, ninety-eight".

Divisors: 1 2 25572049 51144098