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45404243 = 1931157491
BaseRepresentation
bin1010110100110…
…1000001010011
310011102202220122
42231031001103
543110413433
64301100455
71060633613
oct255150123
9104382818
1045404243
11236a1975
121325772b
139539621
14605ca43
153ebd198
hex2b4d053

45404243 has 16 divisors (see below), whose sum is σ = 49751040. Its totient is φ = 41277600.

The previous prime is 45404239. The next prime is 45404257. The reversal of 45404243 is 34240454.

It is a cyclic number.

It is not a de Polignac number, because 45404243 - 22 = 45404239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45404213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92228 + ... + 92718.

It is an arithmetic number, because the mean of its divisors is an integer number (3109440).

Almost surely, 245404243 is an apocalyptic number.

45404243 is a deficient number, since it is larger than the sum of its proper divisors (4346797).

45404243 is a wasteful number, since it uses less digits than its factorization.

45404243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 45404243 is about 6738.2670620865. The cubic root of 45404243 is about 356.7512305189.

Adding to 45404243 its reverse (34240454), we get a palindrome (79644697).

The spelling of 45404243 in words is "forty-five million, four hundred four thousand, two hundred forty-three".

Divisors: 1 19 31 157 491 589 2983 4867 9329 15221 77087 92473 289199 1464653 2389697 45404243