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45242450 = 25211431913
BaseRepresentation
bin1010110010010…
…1100001010010
310011010112222022
42230211201102
543040224300
64253411442
71056361121
oct254454122
9104115868
1045242450
11235a1360
1213199b82
1394b0aa6
146019ab8
153e8a285
hex2b25852

45242450 has 48 divisors (see below), whose sum is σ = 93985056. Its totient is φ = 16060800.

The previous prime is 45242437. The next prime is 45242459. The reversal of 45242450 is 5424254.

It is not an unprimeable number, because it can be changed into a prime (45242459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22694 + ... + 24606.

It is an arithmetic number, because the mean of its divisors is an integer number (1958022).

Almost surely, 245242450 is an apocalyptic number.

45242450 is an abundant number, since it is smaller than the sum of its proper divisors (48742606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45242450 is a wasteful number, since it uses less digits than its factorization.

45242450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979 (or 1974 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 45242450 is about 6726.2508130459. The cubic root of 45242450 is about 356.3269783382.

The spelling of 45242450 in words is "forty-five million, two hundred forty-two thousand, four hundred fifty".

Divisors: 1 2 5 10 11 22 25 43 50 55 86 110 215 275 430 473 550 946 1075 1913 2150 2365 3826 4730 9565 11825 19130 21043 23650 42086 47825 82259 95650 105215 164518 210430 411295 526075 822590 904849 1052150 1809698 2056475 4112950 4524245 9048490 22621225 45242450