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105200742 = 2380921673
BaseRepresentation
bin1100100010100…
…11110001100110
321022221202021210
412101103301212
5203412410432
614234452250
72415122463
oct621236146
9238852253
10105200742
1154423969
122b294086
1318a44a7a
14dd8666a
1593808cc
hex6453c66

105200742 has 16 divisors (see below), whose sum is σ = 210671280. Its totient is φ = 35021952.

The previous prime is 105200741. The next prime is 105200749. The reversal of 105200742 is 247002501.

It is a super-2 number, since 2×1052007422 = 22134392234701128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105200741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5983 + ... + 15690.

It is an arithmetic number, because the mean of its divisors is an integer number (13166955).

Almost surely, 2105200742 is an apocalyptic number.

105200742 is an abundant number, since it is smaller than the sum of its proper divisors (105470538).

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

105200742 is a wasteful number, since it uses less digits than its factorization.

105200742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22487.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 105200742 is about 10256.7412953628. The cubic root of 105200742 is about 472.0698540442.

The spelling of 105200742 in words is "one hundred five million, two hundred thousand, seven hundred forty-two".

Divisors: 1 2 3 6 809 1618 2427 4854 21673 43346 65019 130038 17533457 35066914 52600371 105200742