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49970718 = 23271741569
BaseRepresentation
bin1011111010011…
…1111000011110
310111000202221100
42332213320132
5100243030333
64543013530
71144513140
oct276477036
9114022840
1049970718
1126230816
121489a2a6
13a477c95
1468cac90
1545c1213
hex2fa7e1e

49970718 has 96 divisors (see below), whose sum is σ = 134447040. Its totient is φ = 13086720.

The previous prime is 49970707. The next prime is 49970749. The reversal of 49970718 is 81707994.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 47 ways as a sum of consecutive naturals, for example, 87538 + ... + 88106.

It is an arithmetic number, because the mean of its divisors is an integer number (1400490).

Almost surely, 249970718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49970718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67223520).

49970718 is an abundant number, since it is smaller than the sum of its proper divisors (84476322).

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

49970718 is a wasteful number, since it uses less digits than its factorization.

49970718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 49970718 is about 7068.9969585508. The cubic root of 49970718 is about 368.3312186134.

It can be divided in two parts, 499 and 70718, that added together give a palindrome (71217).

The spelling of 49970718 in words is "forty-nine million, nine hundred seventy thousand, seven hundred eighteen".

Divisors: 1 2 3 6 7 9 14 17 18 21 34 41 42 51 63 82 102 119 123 126 153 238 246 287 306 357 369 569 574 697 714 738 861 1071 1138 1394 1707 1722 2091 2142 2583 3414 3983 4182 4879 5121 5166 6273 7966 9673 9758 10242 11949 12546 14637 19346 23329 23898 29019 29274 35847 43911 46658 58038 67711 69987 71694 87057 87822 135422 139974 163303 174114 203133 209961 326606 396593 406266 419922 489909 609399 793186 979818 1189779 1218798 1469727 2379558 2776151 2939454 3569337 5552302 7138674 8328453 16656906 24985359 49970718