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3977934 = 234091621
BaseRepresentation
bin1111001011001011001110
321111002200220
433023023032
52004243214
6221132210
745545322
oct17131316
97432626
103977934
112277754
1213ba066
13a9380c
14757982
155389a9
hex3cb2ce

3977934 has 16 divisors (see below), whose sum is σ = 7980240. Its totient is φ = 1321920.

The previous prime is 3977933. The next prime is 3977947. The reversal of 3977934 is 4397793.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3977933) 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, 1644 + ... + 3264.

It is an arithmetic number, because the mean of its divisors is an integer number (498765).

Almost surely, 23977934 is an apocalyptic number.

3977934 is an abundant number, since it is smaller than the sum of its proper divisors (4002306).

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

3977934 is a wasteful number, since it uses less digits than its factorization.

3977934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035.

The product of its digits is 142884, while the sum is 42.

The square root of 3977934 is about 1994.4758709997. The cubic root of 3977934 is about 158.4476701998.

The spelling of 3977934 in words is "three million, nine hundred seventy-seven thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 409 818 1227 1621 2454 3242 4863 9726 662989 1325978 1988967 3977934