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1996995 = 3572111319
BaseRepresentation
bin111100111100011000011
310202110100210
413213203003
51002400440
6110445203
722655100
oct7474303
93673323
101996995
111144410
12803803
1354bc70
1439daa7
15296a80
hex1e78c3

1996995 has 96 divisors (see below), whose sum is σ = 4596480. Its totient is φ = 725760.

The previous prime is 1996979. The next prime is 1997003. The reversal of 1996995 is 5996991.

It is a happy number.

It is not a de Polignac number, because 1996995 - 24 = 1996979 is a prime.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 105096 + ... + 105114.

It is an arithmetic number, because the mean of its divisors is an integer number (47880).

21996995 is an apocalyptic number.

1996995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1996995 is an abundant number, since it is smaller than the sum of its proper divisors (2599485).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1996995 is a wasteful number, since it uses less digits than its factorization.

1996995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 58 counting only the distinct ones).

The product of its digits is 196830, while the sum is 48.

The square root of 1996995 is about 1413.1507350598. The cubic root of 1996995 is about 125.9289723141.

The spelling of 1996995 in words is "one million, nine hundred ninety-six thousand, nine hundred ninety-five".

Divisors: 1 3 5 7 11 13 15 19 21 33 35 39 49 55 57 65 77 91 95 105 133 143 147 165 195 209 231 245 247 273 285 385 399 429 455 539 627 637 665 715 735 741 931 1001 1045 1155 1235 1365 1463 1617 1729 1911 1995 2145 2695 2717 2793 3003 3135 3185 3705 4389 4655 5005 5187 7007 7315 8085 8151 8645 9555 10241 12103 13585 13965 15015 19019 21021 21945 25935 30723 35035 36309 40755 51205 57057 60515 95095 105105 133133 153615 181545 285285 399399 665665 1996995