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45384571 = 89509939
BaseRepresentation
bin1010110100100…
…0001101111011
310011101202221001
42231020031323
543104301241
64300425431
71060522351
oct255101573
9104352831
1045384571
1123689111
1213248277
13953069b
1460557d1
153eb7431
hex2b4837b

45384571 has 4 divisors (see below), whose sum is σ = 45894600. Its totient is φ = 44874544.

The previous prime is 45384553. The next prime is 45384583. The reversal of 45384571 is 17548354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17548354 = 28774177.

It is a cyclic number.

It is not a de Polignac number, because 45384571 - 25 = 45384539 is a prime.

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 45384571.

It is not an unprimeable number, because it can be changed into a prime (45384551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254881 + ... + 255058.

It is an arithmetic number, because the mean of its divisors is an integer number (11473650).

Almost surely, 245384571 is an apocalyptic number.

45384571 is a deficient number, since it is larger than the sum of its proper divisors (510029).

45384571 is an equidigital number, since it uses as much as digits as its factorization.

45384571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510028.

The product of its digits is 67200, while the sum is 37.

The square root of 45384571 is about 6736.8071814473. The cubic root of 45384571 is about 356.6997006505.

The spelling of 45384571 in words is "forty-five million, three hundred eighty-four thousand, five hundred seventy-one".

Divisors: 1 89 509939 45384571