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52311106 = 2531932557
BaseRepresentation
bin1100011110001…
…1010001000010
310122102200100101
43013203101002
5101342423411
65105113014
71203431341
oct307432102
9118380311
1052311106
112758a121
121562876a
13aab7323
146d39b58
1548d48c1
hex31e3442

52311106 has 16 divisors (see below), whose sum is σ = 80392824. Its totient is φ = 25519104.

The previous prime is 52311097. The next prime is 52311107. The reversal of 52311106 is 60111325.

52311106 is a nontrivial binomial coefficient, being equal to C(10229, 2).

It can be written as a sum of positive squares in 4 ways, for example, as 42445225 + 9865881 = 6515^2 + 3141^2 .

It is not an unprimeable number, because it can be changed into a prime (52311107) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 19180 + ... + 21736.

Almost surely, 252311106 is an apocalyptic number.

52311106 is the 10228-th triangular number.

52311106 is the 3410-th centered nonagonal number.

52311106 is a deficient number, since it is larger than the sum of its proper divisors (28081718).

52311106 is a wasteful number, since it uses less digits than its factorization.

52311106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 52311106 is about 7232.6417027252. The cubic root of 52311106 is about 373.9939993509.

The spelling of 52311106 in words is "fifty-two million, three hundred eleven thousand, one hundred six".

Divisors: 1 2 53 106 193 386 2557 5114 10229 20458 135521 271042 493501 987002 26155553 52311106