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4464991 = 43103837
BaseRepresentation
bin10001000010000101011111
322101211211001
4101002011133
52120334431
6235411131
752644316
oct21020537
98354731
104464991
11257a683
1215b3aa7
13c0440b
1484327d
155d2e61
hex44215f

4464991 has 4 divisors (see below), whose sum is σ = 4568872. Its totient is φ = 4361112.

The previous prime is 4464983. The next prime is 4465009. The reversal of 4464991 is 1994644.

4464991 = 1842 + 1852 + ... + 2692.

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

It is a cyclic number.

It is not a de Polignac number, because 4464991 - 23 = 4464983 is a prime.

It is a super-2 number, since 2×44649912 = 39872289260162, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4464991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4464091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51876 + ... + 51961.

It is an arithmetic number, because the mean of its divisors is an integer number (1142218).

Almost surely, 24464991 is an apocalyptic number.

4464991 is a deficient number, since it is larger than the sum of its proper divisors (103881).

4464991 is a wasteful number, since it uses less digits than its factorization.

4464991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103880.

The product of its digits is 31104, while the sum is 37.

The square root of 4464991 is about 2113.0525312921. The cubic root of 4464991 is about 164.6671096784.

The spelling of 4464991 in words is "four million, four hundred sixty-four thousand, nine hundred ninety-one".

Divisors: 1 43 103837 4464991