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1996512 = 25372971
BaseRepresentation
bin111100111011011100000
310202102200220
413213123200
51002342022
6110443040
722653510
oct7473340
93672626
101996512
111144011
12803480
1354b98b
1439d840
1529685c
hex1e76e0

1996512 has 48 divisors (see below), whose sum is σ = 5991552. Its totient is φ = 570240.

The previous prime is 1996507. The next prime is 1996517. The reversal of 1996512 is 2156991.

It is an interprime number because it is at equal distance from previous prime (1996507) and next prime (1996517).

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×19965122 = 7972120332288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814 + ... + 2157.

It is an arithmetic number, because the mean of its divisors is an integer number (124824).

21996512 is an apocalyptic number.

1996512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1996512 is an abundant number, since it is smaller than the sum of its proper divisors (3995040).

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

1996512 is a wasteful number, since it uses less digits than its factorization.

1996512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991 (or 2983 counting only the distinct ones).

The product of its digits is 4860, while the sum is 33.

The square root of 1996512 is about 1412.9798300047. The cubic root of 1996512 is about 125.9188189590.

The spelling of 1996512 in words is "one million, nine hundred ninety-six thousand, five hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 2971 5942 8913 11884 17826 20797 23768 35652 41594 47536 62391 71304 83188 95072 124782 142608 166376 249564 285216 332752 499128 665504 998256 1996512