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45719980 = 2259723567
BaseRepresentation
bin1010111001101…
…0000110101100
310012000211000121
42232122012230
543201014410
64311534324
71063420255
oct256320654
9105024017
1045719980
1123898109
121338a3a4
13961a257
146101b2c
1540319da
hex2b9a1ac

45719980 has 24 divisors (see below), whose sum is σ = 97005888. Its totient is φ = 18098688.

The previous prime is 45719977. The next prime is 45719981. The reversal of 45719980 is 8991754.

45719980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45719981) 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, 9844 + ... + 13723.

It is an arithmetic number, because the mean of its divisors is an integer number (4041912).

Almost surely, 245719980 is an apocalyptic number.

It is an amenable number.

45719980 is an abundant number, since it is smaller than the sum of its proper divisors (51285908).

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

45719980 is a wasteful number, since it uses less digits than its factorization.

45719980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23673 (or 23671 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 45719980 is about 6761.6551228231. The cubic root of 45719980 is about 357.5762596701.

The spelling of 45719980 in words is "forty-five million, seven hundred nineteen thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 23567 47134 94268 117835 235670 471340 2285999 4571998 9143996 11429995 22859990 45719980