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45229913 = 382311831
BaseRepresentation
bin1010110010001…
…0011101011001
310011002220202222
42230202131121
543034324123
64253233425
71056306431
oct254423531
9104086688
1045229913
11235929a3
1213192875
1394a8181
1460152c1
153e866c8
hex2b22759

45229913 has 4 divisors (see below), whose sum is σ = 45245568. Its totient is φ = 45214260.

The previous prime is 45229901. The next prime is 45229957. The reversal of 45229913 is 31992254.

45229913 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45229913 - 210 = 45228889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45229963) 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, 2093 + ... + 9738.

It is an arithmetic number, because the mean of its divisors is an integer number (11311392).

Almost surely, 245229913 is an apocalyptic number.

It is an amenable number.

45229913 is a deficient number, since it is larger than the sum of its proper divisors (15655).

45229913 is a wasteful number, since it uses less digits than its factorization.

45229913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15654.

The product of its digits is 19440, while the sum is 35.

The square root of 45229913 is about 6725.3188028524. The cubic root of 45229913 is about 356.2940617298.

The spelling of 45229913 in words is "forty-five million, two hundred twenty-nine thousand, nine hundred thirteen".

Divisors: 1 3823 11831 45229913