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49861028 = 2272713583
BaseRepresentation
bin1011111000110…
…1000110100100
310110211012110202
42332031012210
5100231023103
64540410032
71143545300
oct276150644
9113735422
1049861028
1126166368
1214846918
13a43a089
14689cd00
15459d988
hex2f8d1a4

49861028 has 36 divisors (see below), whose sum is σ = 102961152. Its totient is φ = 21062160.

The previous prime is 49861027. The next prime is 49861039. The reversal of 49861028 is 82016894.

49861028 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 2×498610282 = 4972244226433568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49860982 and 49861000.

It is not an unprimeable number, because it can be changed into a prime (49861027) 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 11 ways as a sum of consecutive naturals, for example, 12125 + ... + 15707.

It is an arithmetic number, because the mean of its divisors is an integer number (2860032).

Almost surely, 249861028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49861028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51480576).

49861028 is an abundant number, since it is smaller than the sum of its proper divisors (53100124).

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

49861028 is a wasteful number, since it uses less digits than its factorization.

49861028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672 (or 3663 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 49861028 is about 7061.2341697468. The cubic root of 49861028 is about 368.0615150001.

The spelling of 49861028 in words is "forty-nine million, eight hundred sixty-one thousand, twenty-eight".

Divisors: 1 2 4 7 14 28 49 71 98 142 196 284 497 994 1988 3479 3583 6958 7166 13916 14332 25081 50162 100324 175567 254393 351134 508786 702268 1017572 1780751 3561502 7123004 12465257 24930514 49861028