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49119921 = 3219287251
BaseRepresentation
bin1011101101100…
…0001010110001
310102102112212100
42323120022301
5100033314141
64512451013
71134340524
oct273301261
9112375770
1049119921
11257aa584
1214549a69
13a23a956
146748bbb
1544a40b6
hex2ed82b1

49119921 has 12 divisors (see below), whose sum is σ = 74685520. Its totient is φ = 31023000.

The previous prime is 49119913. The next prime is 49119929. The reversal of 49119921 is 12991194.

49119921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (49119913) and next prime (49119929).

It is not a de Polignac number, because 49119921 - 23 = 49119913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49119929) 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, 143455 + ... + 143796.

Almost surely, 249119921 is an apocalyptic number.

It is an amenable number.

49119921 is a deficient number, since it is larger than the sum of its proper divisors (25565599).

49119921 is a wasteful number, since it uses less digits than its factorization.

49119921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287276 (or 287273 counting only the distinct ones).

The product of its digits is 5832, while the sum is 36.

The square root of 49119921 is about 7008.5605512116. The cubic root of 49119921 is about 366.2288499786.

The spelling of 49119921 in words is "forty-nine million, one hundred nineteen thousand, nine hundred twenty-one".

Divisors: 1 3 9 19 57 171 287251 861753 2585259 5457769 16373307 49119921