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45354557 = 149304393
BaseRepresentation
bin1010110100000…
…0111000111101
310011100020202102
42231000320331
543102321212
64300034445
71060336013
oct255007075
9104306672
1045354557
1123668606
1213232a25
13951cb21
1460488b3
153ead5c2
hex2b40e3d

45354557 has 4 divisors (see below), whose sum is σ = 45659100. Its totient is φ = 45050016.

The previous prime is 45354553. The next prime is 45354559. The reversal of 45354557 is 75545354.

It is a happy number.

45354557 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, and also an emirpimes, since its reverse is a distinct semiprime: 75545354 = 237772677.

It can be written as a sum of positive squares in 2 ways, for example, as 24661156 + 20693401 = 4966^2 + 4549^2 .

It is a cyclic number.

It is not a de Polignac number, because 45354557 - 22 = 45354553 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 45354557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45354553) 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, 152048 + ... + 152345.

It is an arithmetic number, because the mean of its divisors is an integer number (11414775).

Almost surely, 245354557 is an apocalyptic number.

It is an amenable number.

45354557 is a deficient number, since it is larger than the sum of its proper divisors (304543).

45354557 is a wasteful number, since it uses less digits than its factorization.

45354557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304542.

The product of its digits is 210000, while the sum is 38.

The square root of 45354557 is about 6734.5791999204. The cubic root of 45354557 is about 356.6210517066.

The spelling of 45354557 in words is "forty-five million, three hundred fifty-four thousand, five hundred fifty-seven".

Divisors: 1 149 304393 45354557