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1996870 = 25199687
BaseRepresentation
bin111100111100001000110
310202110012011
413213201012
51002344440
6110444434
722654531
oct7474106
93673164
101996870
111144307
1280371a
1354bba5
1439da18
152969ea
hex1e7846

1996870 has 8 divisors (see below), whose sum is σ = 3594384. Its totient is φ = 798744.

The previous prime is 1996867. The next prime is 1996879. The reversal of 1996870 is 786991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996879) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 99834 + ... + 99853.

It is an arithmetic number, because the mean of its divisors is an integer number (449298).

21996870 is an apocalyptic number.

1996870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1996870 is a deficient number, since it is larger than the sum of its proper divisors (1597514).

1996870 is a wasteful number, since it uses less digits than its factorization.

1996870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199694.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 1996870 is about 1413.1065069555. The cubic root of 1996870 is about 125.9263447912.

The spelling of 1996870 in words is "one million, nine hundred ninety-six thousand, eight hundred seventy".

Divisors: 1 2 5 10 199687 399374 998435 1996870