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1968925 = 52711251
BaseRepresentation
bin111100000101100011101
310201000212011
413200230131
51001001200
6110111221
722510210
oct7405435
93630764
101968925
111125312
127ab511
1353c25a
14393777
1528d5ba
hex1e0b1d

1968925 has 12 divisors (see below), whose sum is σ = 2790496. Its totient is φ = 1350000.

The previous prime is 1968919. The next prime is 1968977. The reversal of 1968925 is 5298691.

It is not a de Polignac number, because 1968925 - 27 = 1968797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5451 + ... + 5800.

21968925 is an apocalyptic number.

It is an amenable number.

1968925 is a deficient number, since it is larger than the sum of its proper divisors (821571).

1968925 is a wasteful number, since it uses less digits than its factorization.

1968925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11268 (or 11263 counting only the distinct ones).

The product of its digits is 38880, while the sum is 40.

The square root of 1968925 is about 1403.1838796109. The cubic root of 1968925 is about 125.3361618181.

The spelling of 1968925 in words is "one million, nine hundred sixty-eight thousand, nine hundred twenty-five".

Divisors: 1 5 7 25 35 175 11251 56255 78757 281275 393785 1968925