Search a number
-
+
48221069 = 1319197991
BaseRepresentation
bin1011011111110…
…0101110001101
310100201212212112
42313330232031
544321033234
64441313405
71123605131
oct267745615
9110655775
1048221069
1125246226
1214195865
139cb47a0
1465933c1
154377ace
hex2dfcb8d

48221069 has 16 divisors (see below), whose sum is σ = 54996480. Its totient is φ = 41912640.

The previous prime is 48221059. The next prime is 48221111. The reversal of 48221069 is 96012284.

It is a cyclic number.

It is not a de Polignac number, because 48221069 - 24 = 48221053 is a prime.

It is a super-2 number, since 2×482210692 = 4650542991005522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48221009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48164 + ... + 49154.

It is an arithmetic number, because the mean of its divisors is an integer number (3437280).

Almost surely, 248221069 is an apocalyptic number.

It is an amenable number.

48221069 is a deficient number, since it is larger than the sum of its proper divisors (6775411).

48221069 is a wasteful number, since it uses less digits than its factorization.

48221069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 48221069 is about 6944.1391835130. The cubic root of 48221069 is about 363.9811934292.

The spelling of 48221069 in words is "forty-eight million, two hundred twenty-one thousand, sixty-nine".

Divisors: 1 13 19 197 247 991 2561 3743 12883 18829 48659 195227 244777 2537951 3709313 48221069