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45421454 = 2132612203
BaseRepresentation
bin1010110101000…
…1001110001110
310011110122112002
42231101032032
543111441304
64301312302
71061035031
oct255211616
9104418462
1045421454
11237038a1
1213265692
139544400
146065018
153ec331e
hex2b5138e

45421454 has 24 divisors (see below), whose sum is σ = 75019752. Its totient is φ = 20610720.

The previous prime is 45421451. The next prime is 45421483. The reversal of 45421454 is 45412454.

45421454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45421451) 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 11 ways as a sum of consecutive naturals, for example, 19517 + ... + 21719.

It is an arithmetic number, because the mean of its divisors is an integer number (3125823).

Almost surely, 245421454 is an apocalyptic number.

45421454 is a deficient number, since it is larger than the sum of its proper divisors (29598298).

45421454 is a wasteful number, since it uses less digits than its factorization.

45421454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292 (or 2279 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 45421454 is about 6739.5440498598. The cubic root of 45421454 is about 356.7963017088.

The spelling of 45421454 in words is "forty-five million, four hundred twenty-one thousand, four hundred fifty-four".

Divisors: 1 2 13 26 61 122 169 338 793 1586 2203 4406 10309 20618 28639 57278 134383 268766 372307 744614 1746979 3493958 22710727 45421454