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523145106 = 232112642147
BaseRepresentation
bin11111001011101…
…000111110010010
31100110101112011200
4133023220332102
52032411120411
6123524452030
715651442251
oct3713507622
91313345150
10523145106
11249335730
1212724a016
13844c9c23
144d69c798
1530ddae56
hex1f2e8f92

523145106 has 24 divisors (see below), whose sum is σ = 1236525264. Its totient is φ = 158528760.

The previous prime is 523145101. The next prime is 523145159. The reversal of 523145106 is 601541325.

It is a self number, because there is not a number n which added to its sum of digits gives 523145106.

It is not an unprimeable number, because it can be changed into a prime (523145101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1320876 + ... + 1321271.

It is an arithmetic number, because the mean of its divisors is an integer number (51521886).

Almost surely, 2523145106 is an apocalyptic number.

523145106 is an abundant number, since it is smaller than the sum of its proper divisors (713380158).

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

523145106 is a wasteful number, since it uses less digits than its factorization.

523145106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642166 (or 2642163 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 523145106 is about 22872.3655532173. The cubic root of 523145106 is about 805.7631259870.

The spelling of 523145106 in words is "five hundred twenty-three million, one hundred forty-five thousand, one hundred six".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 2642147 5284294 7926441 15852882 23779323 29063617 47558646 58127234 87190851 174381702 261572553 523145106