Search a number
-
+
51105126 = 23231073461
BaseRepresentation
bin1100001011110…
…0110101100110
310120011102001110
43002330311212
5101040331001
65023205450
71160246352
oct302746546
9116142043
1051105126
1126936046
1215146886
13a784427
146b04462
1547473d6
hex30bcd66

51105126 has 32 divisors (see below), whose sum is σ = 107682048. Its totient is φ = 16137440.

The previous prime is 51105107. The next prime is 51105137. The reversal of 51105126 is 62150115.

It is a super-2 number, since 2×511051262 = 5223467806951752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13036 + ... + 16496.

It is an arithmetic number, because the mean of its divisors is an integer number (3365064).

Almost surely, 251105126 is an apocalyptic number.

51105126 is an abundant number, since it is smaller than the sum of its proper divisors (56576922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51105126 is a wasteful number, since it uses less digits than its factorization.

51105126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3596.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 51105126 is about 7148.7849317209. The cubic root of 51105126 is about 371.0976075328.

The spelling of 51105126 in words is "fifty-one million, one hundred five thousand, one hundred twenty-six".

Divisors: 1 2 3 6 23 46 69 107 138 214 321 642 2461 3461 4922 6922 7383 10383 14766 20766 79603 159206 238809 370327 477618 740654 1110981 2221962 8517521 17035042 25552563 51105126