Search a number
-
+
51106670 = 2510314957
BaseRepresentation
bin1100001011110…
…1001101101110
310120011111011122
43002331031232
5101040403140
65023220542
71160254016
oct302751556
9116144148
1051106670
112693721a
1215147752
13a785044
146b04c46
154747ab5
hex30bd36e

51106670 has 16 divisors (see below), whose sum is σ = 92099808. Its totient is φ = 20418720.

The previous prime is 51106663. The next prime is 51106673. The reversal of 51106670 is 7660115.

It is a super-2 number, since 2×511066702 = 5223783436977800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51106673) 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, 7832 + ... + 12788.

It is an arithmetic number, because the mean of its divisors is an integer number (5756238).

Almost surely, 251106670 is an apocalyptic number.

51106670 is a deficient number, since it is larger than the sum of its proper divisors (40993138).

51106670 is a wasteful number, since it uses less digits than its factorization.

51106670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5995.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 51106670 is about 7148.8929212851. The cubic root of 51106670 is about 371.1013447243.

Adding to 51106670 its reverse (7660115), we get a palindrome (58766785).

The spelling of 51106670 in words is "fifty-one million, one hundred six thousand, six hundred seventy".

Divisors: 1 2 5 10 1031 2062 4957 5155 9914 10310 24785 49570 5110667 10221334 25553335 51106670