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45226789 = 79572491
BaseRepresentation
bin1010110010000…
…1101100100101
310011002202111021
42230201230211
543034224124
64253211141
71056264346
oct254415445
9104082437
1045226789
1123590613
1213190ab1
1394a691a
1460140cd
153e857e4
hex2b21b25

45226789 has 4 divisors (see below), whose sum is σ = 45799360. Its totient is φ = 44654220.

The previous prime is 45226771. The next prime is 45226793. The reversal of 45226789 is 98762254.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98762254 = 249381127.

It is a cyclic number.

It is not a de Polignac number, because 45226789 - 25 = 45226757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45226739) 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, 286167 + ... + 286324.

It is an arithmetic number, because the mean of its divisors is an integer number (11449840).

Almost surely, 245226789 is an apocalyptic number.

It is an amenable number.

45226789 is a deficient number, since it is larger than the sum of its proper divisors (572571).

45226789 is an equidigital number, since it uses as much as digits as its factorization.

45226789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572570.

The product of its digits is 241920, while the sum is 43.

The square root of 45226789 is about 6725.0865421941. The cubic root of 45226789 is about 356.2858585430.

It can be divided in two parts, 4522 and 6789, that added together give a palindrome (11311).

The spelling of 45226789 in words is "forty-five million, two hundred twenty-six thousand, seven hundred eighty-nine".

Divisors: 1 79 572491 45226789