Search a number
-
+
49943872 = 2611611163
BaseRepresentation
bin1011111010000…
…1010101000000
310110222102010001
42332201111000
5100241200442
64542245344
71144341646
oct276412500
9113872101
1049943872
1126212630
1214886854
13a4689b4
1468c1196
1545b82b7
hex2fa1540

49943872 has 56 divisors (see below), whose sum is σ = 109984032. Its totient is φ = 22310400.

The previous prime is 49943867. The next prime is 49943903. The reversal of 49943872 is 27834994.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42363 + ... + 43525.

Almost surely, 249943872 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 49943872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54992016).

49943872 is an abundant number, since it is smaller than the sum of its proper divisors (60040160).

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

49943872 is a wasteful number, since it uses less digits than its factorization.

49943872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247 (or 1237 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 49943872 is about 7067.0978484807. The cubic root of 49943872 is about 368.2652467030.

The spelling of 49943872 in words is "forty-nine million, nine hundred forty-three thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 11 16 22 32 44 61 64 88 122 176 244 352 488 671 704 976 1163 1342 1952 2326 2684 3904 4652 5368 9304 10736 12793 18608 21472 25586 37216 42944 51172 70943 74432 102344 141886 204688 283772 409376 567544 780373 818752 1135088 1560746 2270176 3121492 4540352 6242984 12485968 24971936 49943872