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3980974 = 21990487
BaseRepresentation
bin1111001011111010101110
321111020212111
433023322232
52004342344
6221154234
745560224
oct17137256
97436774
103980974
112279a68
1213bb97a
13a9500a
14758b14
15539834
hex3cbeae

3980974 has 4 divisors (see below), whose sum is σ = 5971464. Its totient is φ = 1990486.

The previous prime is 3980971. The next prime is 3980987. The reversal of 3980974 is 4790893.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3980971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 995242 + ... + 995245.

It is an arithmetic number, because the mean of its divisors is an integer number (1492866).

Almost surely, 23980974 is an apocalyptic number.

3980974 is a deficient number, since it is larger than the sum of its proper divisors (1990490).

3980974 is a wasteful number, since it uses less digits than its factorization.

3980974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990489.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 3980974 is about 1995.2378304353. The cubic root of 3980974 is about 158.4880226597.

The spelling of 3980974 in words is "three million, nine hundred eighty thousand, nine hundred seventy-four".

Divisors: 1 2 1990487 3980974