Search a number
-
+
51225134 = 236716977
BaseRepresentation
bin1100001101101…
…0001000101110
310120101111200012
43003122020232
5101103201014
65025533222
71161256262
oct303321056
9116344605
1051225134
1126a08224
12151a4212
13a7c6c3c
146b360a2
15476cc3e
hex30da22e

51225134 has 8 divisors (see below), whose sum is σ = 76869648. Its totient is φ = 25601920.

The previous prime is 51225067. The next prime is 51225143. The reversal of 51225134 is 43152215.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3854 + ... + 10830.

It is an arithmetic number, because the mean of its divisors is an integer number (9608706).

Almost surely, 251225134 is an apocalyptic number.

51225134 is a deficient number, since it is larger than the sum of its proper divisors (25644514).

51225134 is a wasteful number, since it uses less digits than its factorization.

51225134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10650.

The product of its digits is 1200, while the sum is 23.

The square root of 51225134 is about 7157.1736041541. The cubic root of 51225134 is about 371.3878580480.

Adding to 51225134 its reverse (43152215), we get a palindrome (94377349).

The spelling of 51225134 in words is "fifty-one million, two hundred twenty-five thousand, one hundred thirty-four".

Divisors: 1 2 3671 6977 7342 13954 25612567 51225134