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105042102 = 23111591547
BaseRepresentation
bin1100100001011…
…01000010110110
321022122200200020
412100231002312
5203342321402
614231230010
72413562124
oct620550266
9238580606
10105042102
1154325760
122b218306
13189ba7b9
14dd44914
15934d8bc
hex642d0b6

105042102 has 16 divisors (see below), whose sum is σ = 229182912. Its totient is φ = 31830920.

The previous prime is 105042073. The next prime is 105042103. The reversal of 105042102 is 201240501.

It is a super-2 number, since 2×1050421022 = 22067686385156808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105042103) 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, 795708 + ... + 795839.

It is an arithmetic number, because the mean of its divisors is an integer number (14323932).

Almost surely, 2105042102 is an apocalyptic number.

105042102 is an abundant number, since it is smaller than the sum of its proper divisors (124140810).

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

105042102 is a wasteful number, since it uses less digits than its factorization.

105042102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591563.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 105042102 is about 10249.0049273088. The cubic root of 105042102 is about 471.8324449556.

Adding to 105042102 its reverse (201240501), we get a palindrome (306282603).

The spelling of 105042102 in words is "one hundred five million, forty-two thousand, one hundred two".

Divisors: 1 2 3 6 11 22 33 66 1591547 3183094 4774641 9549282 17507017 35014034 52521051 105042102