Search a number
-
+
49147028 = 22731411381
BaseRepresentation
bin1011101101111…
…0110010010100
310102110221001022
42323132302110
5100040201103
64513220312
71134512540
oct273366224
9112427038
1049147028
1125818987
1214561698
13a24a0a8
146754a20
1544ac138
hex2edec94

49147028 has 48 divisors (see below), whose sum is σ = 104014848. Its totient is φ = 19872000.

The previous prime is 49147013. The next prime is 49147037. The reversal of 49147028 is 82074194.

It is a super-2 number, since 2×491470282 = 4830860722465568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34898 + ... + 36278.

It is an arithmetic number, because the mean of its divisors is an integer number (2166976).

Almost surely, 249147028 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 49147028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52007424).

49147028 is an abundant number, since it is smaller than the sum of its proper divisors (54867820).

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

49147028 is a wasteful number, since it uses less digits than its factorization.

49147028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 49147028 is about 7010.4941337968. The cubic root of 49147028 is about 366.2962058134.

The spelling of 49147028 in words is "forty-nine million, one hundred forty-seven thousand, twenty-eight".

Divisors: 1 2 4 7 14 28 31 41 62 82 124 164 217 287 434 574 868 1148 1271 1381 2542 2762 5084 5524 8897 9667 17794 19334 35588 38668 42811 56621 85622 113242 171244 226484 299677 396347 599354 792694 1198708 1585388 1755251 3510502 7021004 12286757 24573514 49147028