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49452975 = 325211132953
BaseRepresentation
bin1011110010100…
…1011110101111
310110001110201200
42330221132233
5100124443400
64523540543
71140225525
oct274513657
9113043650
1049452975
1125a07830
121468a753
13a326420
1467d4315
15451cb00
hex2f297af

49452975 has 144 divisors (see below), whose sum is σ = 109680480. Its totient is φ = 20966400.

The previous prime is 49452961. The next prime is 49453021. The reversal of 49452975 is 57925494.

It is not a de Polignac number, because 49452975 - 210 = 49451951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 49452975.

It is a congruent number.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 933049 + ... + 933101.

It is an arithmetic number, because the mean of its divisors is an integer number (761670).

Almost surely, 249452975 is an apocalyptic number.

49452975 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

49452975 is the 5742-nd pentagonal number.

49452975 is an abundant number, since it is smaller than the sum of its proper divisors (60227505).

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

49452975 is a wasteful number, since it uses less digits than its factorization.

49452975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 114 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 49452975 is about 7032.2809244227. The cubic root of 49452975 is about 367.0547154400.

The spelling of 49452975 in words is "forty-nine million, four hundred fifty-two thousand, nine hundred seventy-five".

Divisors: 1 3 5 9 11 13 15 25 29 33 39 45 53 55 65 75 87 99 117 143 145 159 165 195 225 261 265 275 319 325 377 429 435 477 495 583 585 689 715 725 795 825 957 975 1131 1287 1305 1325 1537 1595 1749 1885 2067 2145 2175 2385 2475 2871 2915 2925 3393 3445 3575 3975 4147 4611 4785 5247 5655 6201 6435 6525 7579 7685 7975 8745 9425 10335 10725 11925 12441 13833 14355 14575 16907 16965 17225 19981 20735 22737 23055 23925 26235 28275 31005 32175 37323 37895 38425 43725 50721 51675 59943 62205 68211 69165 71775 84535 84825 99905 103675 113685 115275 131175 152163 155025 179829 186615 189475 219791 253605 299715 311025 341055 345825 422675 499525 568425 659373 760815 899145 933075 1098955 1268025 1498575 1705275 1978119 3296865 3804075 4495725 5494775 9890595 16484325 49452975