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3980291 = 71929927
BaseRepresentation
bin1111001011110000000011
321111012221012
433023300003
52004332131
6221151135
745555230
oct17136003
97435835
103980291
1122794a7
1213bb4ab
13a94903
14758787
1553952b
hex3cbc03

3980291 has 8 divisors (see below), whose sum is σ = 4788480. Its totient is φ = 3232008.

The previous prime is 3980287. The next prime is 3980299. The reversal of 3980291 is 1920893.

3980291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3980291 - 22 = 3980287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3980299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14831 + ... + 15096.

It is an arithmetic number, because the mean of its divisors is an integer number (598560).

Almost surely, 23980291 is an apocalyptic number.

3980291 is a deficient number, since it is larger than the sum of its proper divisors (808189).

3980291 is a wasteful number, since it uses less digits than its factorization.

3980291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29953.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 3980291 is about 1995.0666655528. The cubic root of 3980291 is about 158.4789584198.

It can be divided in two parts, 39802 and 91, that added together give a palindrome (39893).

The spelling of 3980291 in words is "three million, nine hundred eighty thousand, two hundred ninety-one".

Divisors: 1 7 19 133 29927 209489 568613 3980291