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1996245 = 3553153
BaseRepresentation
bin111100111010111010101
310202102100000
413213113111
51002334440
6110441513
722652646
oct7472725
93672300
101996245
111143899
12803299
1354b814
1439d6cd
15296730
hex1e75d5

1996245 has 48 divisors (see below), whose sum is σ = 3773952. Its totient is φ = 1010880.

The previous prime is 1996237. The next prime is 1996277. The reversal of 1996245 is 5426991.

It is not a de Polignac number, because 1996245 - 23 = 1996237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37639 + ... + 37691.

It is an arithmetic number, because the mean of its divisors is an integer number (78624).

21996245 is an apocalyptic number.

1996245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1996245 is a deficient number, since it is larger than the sum of its proper divisors (1777707).

1996245 is an equidigital number, since it uses as much as digits as its factorization.

1996245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 92 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 1996245 is about 1412.8853456668. The cubic root of 1996245 is about 125.9132055319.

The spelling of 1996245 in words is "one million, nine hundred ninety-six thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 27 31 45 53 81 93 135 155 159 243 265 279 405 465 477 795 837 1215 1395 1431 1643 2385 2511 4185 4293 4929 7155 7533 8215 12555 12879 14787 21465 24645 37665 44361 64395 73935 133083 221805 399249 665415 1996245