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2981994 = 23496999
BaseRepresentation
bin1011011000000001101010
312121111112020
423120001222
51230410434
6143525310
734226601
oct13300152
95544466
102981994
111757464
12bb9836
138053c2
14578a38
153dd849
hex2d806a

2981994 has 8 divisors (see below), whose sum is σ = 5964000. Its totient is φ = 993996.

The previous prime is 2981981. The next prime is 2981999. The reversal of 2981994 is 4991892.

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

2981994 is an admirable number.

It is a Curzon number.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (2981999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248494 + ... + 248505.

It is an arithmetic number, because the mean of its divisors is an integer number (745500).

22981994 is an apocalyptic number.

2981994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2981994 is a wasteful number, since it uses less digits than its factorization.

2981994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497004.

The product of its digits is 46656, while the sum is 42.

The square root of 2981994 is about 1726.8451001755. The cubic root of 2981994 is about 143.9358317496.

The spelling of 2981994 in words is "two million, nine hundred eighty-one thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 496999 993998 1490997 2981994