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45456649 = 712015407
BaseRepresentation
bin1010110101100…
…1110100001001
310011112102210121
42231121310021
543114103044
64302143241
71061242450
oct255316411
9104472717
1045456649
1123728287
1213281b21
139557434
146073b97
153ecd984
hex2b59d09

45456649 has 8 divisors (see below), whose sum is σ = 52003328. Its totient is φ = 38923200.

The previous prime is 45456647. The next prime is 45456667. The reversal of 45456649 is 94665454.

45456649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 45456649 - 21 = 45456647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45456641) 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 7 ways as a sum of consecutive naturals, for example, 5704 + ... + 11110.

It is an arithmetic number, because the mean of its divisors is an integer number (6500416).

Almost surely, 245456649 is an apocalyptic number.

It is an amenable number.

45456649 is a deficient number, since it is larger than the sum of its proper divisors (6546679).

45456649 is a wasteful number, since it uses less digits than its factorization.

45456649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6615.

The product of its digits is 518400, while the sum is 43.

The square root of 45456649 is about 6742.1546259338. The cubic root of 45456649 is about 356.8884329429. Note that the first 3 decimals are identical.

The spelling of 45456649 in words is "forty-five million, four hundred fifty-six thousand, six hundred forty-nine".

Divisors: 1 7 1201 5407 8407 37849 6493807 45456649