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45353909 = 174216337
BaseRepresentation
bin1010110100000…
…0101110110101
310011100012212102
42231000232311
543102311114
64300031445
71060334066
oct255005665
9104305772
1045353909
1123668077
1213232585
13951c743
14604856d
153ead2de
hex2b40bb5

45353909 has 8 divisors (see below), whose sum is σ = 48143448. Its totient is φ = 42577920.

The previous prime is 45353879. The next prime is 45353911. The reversal of 45353909 is 90935354.

45353909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 504100 + 44849809 = 710^2 + 6697^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45353909 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 (45353809) 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, 3989 + ... + 10325.

It is an arithmetic number, because the mean of its divisors is an integer number (6017931).

Almost surely, 245353909 is an apocalyptic number.

It is an amenable number.

45353909 is a deficient number, since it is larger than the sum of its proper divisors (2789539).

45353909 is a wasteful number, since it uses less digits than its factorization.

45353909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6775.

The product of its (nonzero) digits is 72900, while the sum is 38.

The square root of 45353909 is about 6734.5310898384. The cubic root of 45353909 is about 356.6193532993.

The spelling of 45353909 in words is "forty-five million, three hundred fifty-three thousand, nine hundred nine".

Divisors: 1 17 421 6337 7157 107729 2667877 45353909