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1997035 = 53071301
BaseRepresentation
bin111100111100011101011
310202110102021
413213203223
51002401120
6110445311
722655155
oct7474353
93673367
101997035
111144447
12803837
1354bca1
1439dad5
15296aaa
hex1e78eb

1997035 has 8 divisors (see below), whose sum is σ = 2406096. Its totient is φ = 1591200.

The previous prime is 1997029. The next prime is 1997053. The reversal of 1997035 is 5307991.

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

It is not a de Polignac number, because 1997035 - 25 = 1997003 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885 + ... + 2185.

It is an arithmetic number, because the mean of its divisors is an integer number (300762).

21997035 is an apocalyptic number.

1997035 is a deficient number, since it is larger than the sum of its proper divisors (409061).

1997035 is a wasteful number, since it uses less digits than its factorization.

1997035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613.

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 1997035 is about 1413.1648877608. The cubic root of 1997035 is about 125.9298130982.

Subtracting from 1997035 its sum of digits (34), we obtain a triangular number (1997001 = T1998).

The spelling of 1997035 in words is "one million, nine hundred ninety-seven thousand, thirty-five".

Divisors: 1 5 307 1301 1535 6505 399407 1997035