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3977941 = 11834357
BaseRepresentation
bin1111001011001011010101
321111002201011
433023023111
52004243231
6221132221
745545332
oct17131325
97432634
103977941
112277760
1213ba071
13a93816
14757989
155389b1
hex3cb2d5

3977941 has 8 divisors (see below), whose sum is σ = 4392864. Its totient is φ = 3571920.

The previous prime is 3977933. The next prime is 3977947. The reversal of 3977941 is 1497793.

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

It is not a de Polignac number, because 3977941 - 23 = 3977933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3977894 and 3977903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3977947) 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, 1266 + ... + 3091.

It is an arithmetic number, because the mean of its divisors is an integer number (549108).

Almost surely, 23977941 is an apocalyptic number.

It is an amenable number.

3977941 is a deficient number, since it is larger than the sum of its proper divisors (414923).

3977941 is a wasteful number, since it uses less digits than its factorization.

3977941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451.

The product of its digits is 47628, while the sum is 40.

The square root of 3977941 is about 1994.4776258459. The cubic root of 3977941 is about 158.4477631403.

It can be divided in two parts, 397 and 7941, that added together give a palindrome (8338).

The spelling of 3977941 in words is "three million, nine hundred seventy-seven thousand, nine hundred forty-one".

Divisors: 1 11 83 913 4357 47927 361631 3977941