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1968875 = 5319829
BaseRepresentation
bin111100000101011101011
310201000210022
413200223223
51001001000
6110111055
722510106
oct7405353
93630708
101968875
111125277
127ab48b
1353c21c
1439373d
1528d585
hex1e0aeb

1968875 has 16 divisors (see below), whose sum is σ = 2589600. Its totient is φ = 1490400.

The previous prime is 1968871. The next prime is 1968899. The reversal of 1968875 is 5788691.

It is a happy number.

It is not a de Polignac number, because 1968875 - 22 = 1968871 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1968871) 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, 1961 + ... + 2789.

It is an arithmetic number, because the mean of its divisors is an integer number (161850).

21968875 is an apocalyptic number.

1968875 is a deficient number, since it is larger than the sum of its proper divisors (620725).

1968875 is an equidigital number, since it uses as much as digits as its factorization.

1968875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863 (or 853 counting only the distinct ones).

The product of its digits is 120960, while the sum is 44.

The square root of 1968875 is about 1403.1660628735. The cubic root of 1968875 is about 125.3351008566.

The spelling of 1968875 in words is "one million, nine hundred sixty-eight thousand, eight hundred seventy-five".

Divisors: 1 5 19 25 95 125 475 829 2375 4145 15751 20725 78755 103625 393775 1968875