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45038445 = 357341131
BaseRepresentation
bin1010101111001…
…1101101101101
310010202012010120
42223303231231
543012212240
64245155153
71054551264
oct253635555
9103665116
1045038445
1123472061
12130bbab9
13943bc8a
145da55db
153e49ad0
hex2af3b6d

45038445 has 16 divisors (see below), whose sum is σ = 73050432. Its totient is φ = 23690880.

The previous prime is 45038437. The next prime is 45038447. The reversal of 45038445 is 54483054.

It is not a de Polignac number, because 45038445 - 23 = 45038437 is a prime.

It is a super-3 number, since 3×450384453 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45038447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19471 + ... + 21660.

It is an arithmetic number, because the mean of its divisors is an integer number (4565652).

Almost surely, 245038445 is an apocalyptic number.

It is an amenable number.

45038445 is a deficient number, since it is larger than the sum of its proper divisors (28011987).

45038445 is a wasteful number, since it uses less digits than its factorization.

45038445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41212.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 45038445 is about 6711.0688418463. The cubic root of 45038445 is about 355.7905940340.

The spelling of 45038445 in words is "forty-five million, thirty-eight thousand, four hundred forty-five".

Divisors: 1 3 5 15 73 219 365 1095 41131 123393 205655 616965 3002563 9007689 15012815 45038445