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102541870 = 2541924473
BaseRepresentation
bin1100001110010…
…10101000101110
321010221200000001
412013022220232
5202222314440
614101454514
72353406614
oct607125056
9233850001
10102541870
1152978252
122a41143a
1318323782
14d8936b4
159007b9a
hex61caa2e

102541870 has 16 divisors (see below), whose sum is σ = 185023440. Its totient is φ = 40917184.

The previous prime is 102541853. The next prime is 102541891. The reversal of 102541870 is 78145201.

It is a congruent number.

It is an unprimeable number.

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, 8047 + ... + 16426.

It is an arithmetic number, because the mean of its divisors is an integer number (11563965).

Almost surely, 2102541870 is an apocalyptic number.

102541870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102541870 is a deficient number, since it is larger than the sum of its proper divisors (82481570).

102541870 is a wasteful number, since it uses less digits than its factorization.

102541870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24899.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 102541870 is about 10126.2959664430. The cubic root of 102541870 is about 468.0587959101.

The spelling of 102541870 in words is "one hundred two million, five hundred forty-one thousand, eight hundred seventy".

Divisors: 1 2 5 10 419 838 2095 4190 24473 48946 122365 244730 10254187 20508374 51270935 102541870