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1974225 = 352112393
BaseRepresentation
bin111100001111111010001
310201022010110
413201333101
51001133400
6110151533
722531521
oct7417721
93638113
101974225
1111292a0
127b25a9
135417a6
14395681
1528ee50
hex1e1fd1

1974225 has 24 divisors (see below), whose sum is σ = 3562272. Its totient is φ = 956800.

The previous prime is 1974221. The next prime is 1974229. The reversal of 1974225 is 5224791.

It is an interprime number because it is at equal distance from previous prime (1974221) and next prime (1974229).

It is not a de Polignac number, because 1974225 - 22 = 1974221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1974192 and 1974201.

It is not an unprimeable number, because it can be changed into a prime (1974221) 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 23 ways as a sum of consecutive naturals, for example, 372 + ... + 2021.

It is an arithmetic number, because the mean of its divisors is an integer number (148428).

21974225 is an apocalyptic number.

1974225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1974225 is a deficient number, since it is larger than the sum of its proper divisors (1588047).

1974225 is a wasteful number, since it uses less digits than its factorization.

1974225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417 (or 2412 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 1974225 is about 1405.0711725745. The cubic root of 1974225 is about 125.4485220323.

The spelling of 1974225 in words is "one million, nine hundred seventy-four thousand, two hundred twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 165 275 825 2393 7179 11965 26323 35895 59825 78969 131615 179475 394845 658075 1974225