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49520718 = 23213273223
BaseRepresentation
bin1011110011101…
…0000001001110
310110011220122200
42330322001032
5100134130333
64525222330
71140630162
oct274720116
9113156580
1049520718
1125a53715
12147019a6
13a34b200
146810ca2
154532c13
hex2f3a04e

49520718 has 72 divisors (see below), whose sum is σ = 118302912. Its totient is φ = 14961024.

The previous prime is 49520687. The next prime is 49520741. The reversal of 49520718 is 81702594.

49520718 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×495207182 = 4904603022471048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 221955 + ... + 222177.

It is an arithmetic number, because the mean of its divisors is an integer number (1643096).

Almost surely, 249520718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49520718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59151456).

49520718 is an abundant number, since it is smaller than the sum of its proper divisors (68782194).

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

49520718 is a wasteful number, since it uses less digits than its factorization.

49520718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 49520718 is about 7037.0958498517. The cubic root of 49520718 is about 367.2222418783. Note that the first 4 decimals are identical.

The spelling of 49520718 in words is "forty-nine million, five hundred twenty thousand, seven hundred eighteen".

Divisors: 1 2 3 6 9 13 18 26 39 73 78 117 146 169 219 223 234 338 438 446 507 657 669 949 1014 1314 1338 1521 1898 2007 2847 2899 3042 4014 5694 5798 8541 8697 12337 16279 17082 17394 24674 26091 32558 37011 37687 48837 52182 74022 75374 97674 111033 113061 146511 211627 222066 226122 293022 339183 423254 634881 678366 1269762 1904643 2751151 3809286 5502302 8253453 16506906 24760359 49520718