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3980894 = 21990447
BaseRepresentation
bin1111001011111001011110
321111020202112
433023321132
52004342034
6221154022
745560051
oct17137136
97436675
103980894
1122799a5
1213bb912
13a94c78
14758a98
155397ce
hex3cbe5e

3980894 has 4 divisors (see below), whose sum is σ = 5971344. Its totient is φ = 1990446.

The previous prime is 3980891. The next prime is 3980957. The reversal of 3980894 is 4980893.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3980891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 995222 + ... + 995225.

It is an arithmetic number, because the mean of its divisors is an integer number (1492836).

Almost surely, 23980894 is an apocalyptic number.

3980894 is a deficient number, since it is larger than the sum of its proper divisors (1990450).

3980894 is a wasteful number, since it uses less digits than its factorization.

3980894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990449.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 3980894 is about 1995.2177825992. The cubic root of 3980894 is about 158.4869610161.

Subtracting 3980894 from its reverse (4980893), we obtain a palindrome (999999).

The spelling of 3980894 in words is "three million, nine hundred eighty thousand, eight hundred ninety-four".

Divisors: 1 2 1990447 3980894