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1994412 = 223723743
BaseRepresentation
bin111100110111010101100
310202022211010
413212322230
51002310122
6110425220
722644420
oct7467254
93668733
101994412
111142482
12802210
1354aa34
1439cb80
15295e0c
hex1e6eac

1994412 has 24 divisors (see below), whose sum is σ = 5318656. Its totient is φ = 569808.

The previous prime is 1994387. The next prime is 1994413. The reversal of 1994412 is 2144991.

It is a self number, because there is not a number n which added to its sum of digits gives 1994412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11788 + ... + 11955.

21994412 is an apocalyptic number.

1994412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1994412 is an abundant number, since it is smaller than the sum of its proper divisors (3324244).

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

1994412 is a wasteful number, since it uses less digits than its factorization.

1994412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23757 (or 23755 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 1994412 is about 1412.2365240993. The cubic root of 1994412 is about 125.8746548892.

The spelling of 1994412 in words is "one million, nine hundred ninety-four thousand, four hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 23743 47486 71229 94972 142458 166201 284916 332402 498603 664804 997206 1994412