Search a number
-
+
48173139 = 3273372269
BaseRepresentation
bin1011011111000…
…1000001010011
310100122110010100
42313301001103
544313020024
64440303443
71123315320
oct267610123
9110573110
1048173139
1125213213
1214171b83
139c98a21
14657db47
1543687c9
hex2df1053

48173139 has 24 divisors (see below), whose sum is σ = 79795040. Its totient is φ = 27433728.

The previous prime is 48173137. The next prime is 48173159. The reversal of 48173139 is 93137184.

It is a happy number.

48173139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 48173139 - 21 = 48173137 is a prime.

It is a super-2 number, since 2×481731392 = 4641302642226642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48173137) 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 23 ways as a sum of consecutive naturals, for example, 20097 + ... + 22365.

Almost surely, 248173139 is an apocalyptic number.

48173139 is a deficient number, since it is larger than the sum of its proper divisors (31621901).

48173139 is a wasteful number, since it uses less digits than its factorization.

48173139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2619 (or 2616 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 48173139 is about 6940.6872138139. The cubic root of 48173139 is about 363.8605587339.

The spelling of 48173139 in words is "forty-eight million, one hundred seventy-three thousand, one hundred thirty-nine".

Divisors: 1 3 7 9 21 63 337 1011 2269 2359 3033 6807 7077 15883 20421 21231 47649 142947 764653 2293959 5352571 6881877 16057713 48173139