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45434419 = 211215329
BaseRepresentation
bin1010110101010…
…0011000110011
310011111022022021
42231110120303
543112400134
64301452311
71061120602
oct255243063
9104438267
1045434419
1123712608
1213271097
13954a294
146069a39
153ec70b4
hex2b54633

45434419 has 4 divisors (see below), whose sum is σ = 45649960. Its totient is φ = 45218880.

The previous prime is 45434413. The next prime is 45434429. The reversal of 45434419 is 91443454.

45434419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91443454 = 245721727.

It is a cyclic number.

It is not a de Polignac number, because 45434419 - 29 = 45433907 is a prime.

It is a super-2 number, since 2×454344192 = 4128572859735122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45434413) 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 3 ways as a sum of consecutive naturals, for example, 107454 + ... + 107875.

It is an arithmetic number, because the mean of its divisors is an integer number (11412490).

Almost surely, 245434419 is an apocalyptic number.

45434419 is a deficient number, since it is larger than the sum of its proper divisors (215541).

45434419 is a wasteful number, since it uses less digits than its factorization.

45434419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215540.

The product of its digits is 34560, while the sum is 34.

The square root of 45434419 is about 6740.5058415522. The cubic root of 45434419 is about 356.8302461967.

The spelling of 45434419 in words is "forty-five million, four hundred thirty-four thousand, four hundred nineteen".

Divisors: 1 211 215329 45434419