Search a number
-
+
51423053 = 117616143
BaseRepresentation
bin1100010000101…
…0011101001101
310120202120011112
43010022131031
5101131014203
65034101405
71163042303
oct304123515
9116676145
1051423053
11270329a0
121527a865
13a866056
146b88273
1547ab6d8
hex310a74d

51423053 has 8 divisors (see below), whose sum is σ = 56180736. Its totient is φ = 46679200.

The previous prime is 51423049. The next prime is 51423067. The reversal of 51423053 is 35032415.

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

It is a cyclic number.

It is not a de Polignac number, because 51423053 - 22 = 51423049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51453053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5300 + ... + 11442.

It is an arithmetic number, because the mean of its divisors is an integer number (7022592).

Almost surely, 251423053 is an apocalyptic number.

It is an amenable number.

51423053 is a deficient number, since it is larger than the sum of its proper divisors (4757683).

51423053 is a wasteful number, since it uses less digits than its factorization.

51423053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6915.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 51423053 is about 7170.9868916349. The cubic root of 51423053 is about 371.8655548574.

Adding to 51423053 its reverse (35032415), we get a palindrome (86455468).

The spelling of 51423053 in words is "fifty-one million, four hundred twenty-three thousand, fifty-three".

Divisors: 1 11 761 6143 8371 67573 4674823 51423053