Search a number
-
+
105145868 = 22252110427
BaseRepresentation
bin1100100010001…
…10011000001100
321022211222000102
412101012120030
5203404131433
614233350232
72414503502
oct621063014
9238758012
10105145868
1154396713
122b268378
1318a25ab9
14dd70672
15936e4e8
hex644660c

105145868 has 12 divisors (see below), whose sum is σ = 184095912. Its totient is φ = 52547040.

The previous prime is 105145861. The next prime is 105145877. The reversal of 105145868 is 868541501.

It is a super-2 number, since 2×1051458682 = 22111307114946848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105145861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4871 + ... + 15297.

It is an arithmetic number, because the mean of its divisors is an integer number (15341326).

Almost surely, 2105145868 is an apocalyptic number.

It is an amenable number.

105145868 is a deficient number, since it is larger than the sum of its proper divisors (78950044).

105145868 is a wasteful number, since it uses less digits than its factorization.

105145868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12952 (or 12950 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 105145868 is about 10254.0659252806. The cubic root of 105145868 is about 471.9877606230.

The spelling of 105145868 in words is "one hundred five million, one hundred forty-five thousand, eight hundred sixty-eight".

Divisors: 1 2 4 2521 5042 10084 10427 20854 41708 26286467 52572934 105145868