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45454723 = 179253937
BaseRepresentation
bin1010110101100…
…1010110000011
310011112100011021
42231121112003
543114022343
64302130311
71061234026
oct255312603
9104470137
1045454723
1123726896
1213280997
1395565b2
1460731bd
153ecd0ed
hex2b59583

45454723 has 4 divisors (see below), whose sum is σ = 45708840. Its totient is φ = 45200608.

The previous prime is 45454709. The next prime is 45454729. The reversal of 45454723 is 32745454.

45454723 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45454723 is a prime.

It is a super-2 number, since 2×454547232 = 4132263686013458, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45454729) 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, 126790 + ... + 127147.

It is an arithmetic number, because the mean of its divisors is an integer number (11427210).

Almost surely, 245454723 is an apocalyptic number.

45454723 is a deficient number, since it is larger than the sum of its proper divisors (254117).

45454723 is a wasteful number, since it uses less digits than its factorization.

45454723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254116.

The product of its digits is 67200, while the sum is 34.

The square root of 45454723 is about 6742.0117917429. The cubic root of 45454723 is about 356.8833924128.

The spelling of 45454723 in words is "forty-five million, four hundred fifty-four thousand, seven hundred twenty-three".

Divisors: 1 179 253937 45454723