Search a number
-
+
45213423 = 323655267
BaseRepresentation
bin1010110001111…
…0011011101111
310011002002011020
42230132123233
543033312143
64253025223
71056210363
oct254363357
9104062136
1045213423
1123581572
1213185213
1394a0808
14600d2a3
153e81883
hex2b1e6ef

45213423 has 8 divisors (see below), whose sum is σ = 62905728. Its totient is φ = 28831704.

The previous prime is 45213403. The next prime is 45213437. The reversal of 45213423 is 32431254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45213423 - 25 = 45213391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45213393 and 45213402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45213403) 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 7 ways as a sum of consecutive naturals, for example, 327565 + ... + 327702.

It is an arithmetic number, because the mean of its divisors is an integer number (7863216).

Almost surely, 245213423 is an apocalyptic number.

45213423 is a deficient number, since it is larger than the sum of its proper divisors (17692305).

45213423 is a wasteful number, since it uses less digits than its factorization.

45213423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655293.

The product of its digits is 2880, while the sum is 24.

The square root of 45213423 is about 6724.0927269038. The cubic root of 45213423 is about 356.2507570313.

Adding to 45213423 its reverse (32431254), we get a palindrome (77644677).

The spelling of 45213423 in words is "forty-five million, two hundred thirteen thousand, four hundred twenty-three".

Divisors: 1 3 23 69 655267 1965801 15071141 45213423