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19242125 = 53721991
BaseRepresentation
bin100100101100…
…1110010001101
31100012121020022
41021121302031
514411222000
61524231525
7322361330
oct111316215
940177208
1019242125
11a952991
12653b5a5
133ca9496
1427ac617
151a51585
hex1259c8d

19242125 has 16 divisors (see below), whose sum is σ = 27446016. Its totient is φ = 13194000.

The previous prime is 19242121. The next prime is 19242133. The reversal of 19242125 is 52124291.

It is not a de Polignac number, because 19242125 - 22 = 19242121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19242094 and 19242103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19242121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10121 + ... + 11870.

It is an arithmetic number, because the mean of its divisors is an integer number (1715376).

Almost surely, 219242125 is an apocalyptic number.

It is an amenable number.

19242125 is a deficient number, since it is larger than the sum of its proper divisors (8203891).

19242125 is an equidigital number, since it uses as much as digits as its factorization.

19242125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22013 (or 22003 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 19242125 is about 4386.5846623541. The cubic root of 19242125 is about 267.9688693699.

The spelling of 19242125 in words is "nineteen million, two hundred forty-two thousand, one hundred twenty-five".

Divisors: 1 5 7 25 35 125 175 875 21991 109955 153937 549775 769685 2748875 3848425 19242125