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45344231 = 431054517
BaseRepresentation
bin1010110011111…
…0010111100111
310011022201120222
42230332113213
543102003411
64255514555
71060263632
oct254762747
9104281528
1045344231
1123660879
1213228a5b
13951820a
146044c19
153eaa4db
hex2b3e5e7

45344231 has 4 divisors (see below), whose sum is σ = 46398792. Its totient is φ = 44289672.

The previous prime is 45344171. The next prime is 45344251. The reversal of 45344231 is 13244354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13244354 = 26622177.

It is a cyclic number.

It is not a de Polignac number, because 45344231 - 214 = 45327847 is a prime.

It is a super-2 number, since 2×453442312 = 4112198569962722, 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 45344231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45344251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527216 + ... + 527301.

It is an arithmetic number, because the mean of its divisors is an integer number (11599698).

Almost surely, 245344231 is an apocalyptic number.

45344231 is a deficient number, since it is larger than the sum of its proper divisors (1054561).

45344231 is a wasteful number, since it uses less digits than its factorization.

45344231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054560.

The product of its digits is 5760, while the sum is 26.

The square root of 45344231 is about 6733.8125159526. The cubic root of 45344231 is about 356.5939853453.

Adding to 45344231 its reverse (13244354), we get a palindrome (58588585).

The spelling of 45344231 in words is "forty-five million, three hundred forty-four thousand, two hundred thirty-one".

Divisors: 1 43 1054517 45344231