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45319007 = 160728201
BaseRepresentation
bin1010110011100…
…0001101011111
310011021102222202
42230320031133
543100202012
64255202115
71060130246
oct254701537
9104242882
1045319007
1123643928
121321633b
1395098a6
14603995d
153ea2cc2
hex2b3835f

45319007 has 4 divisors (see below), whose sum is σ = 45348816. Its totient is φ = 45289200.

The previous prime is 45318979. The next prime is 45319013. The reversal of 45319007 is 70091354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70091354 = 235045677.

It is a cyclic number.

It is not a de Polignac number, because 45319007 - 28 = 45318751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45315007) 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, 12494 + ... + 15707.

It is an arithmetic number, because the mean of its divisors is an integer number (11337204).

Almost surely, 245319007 is an apocalyptic number.

45319007 is a deficient number, since it is larger than the sum of its proper divisors (29809).

45319007 is a wasteful number, since it uses less digits than its factorization.

45319007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29808.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 45319007 is about 6731.9393193938. The cubic root of 45319007 is about 356.5278512796.

The spelling of 45319007 in words is "forty-five million, three hundred nineteen thousand, seven".

Divisors: 1 1607 28201 45319007