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48228557 = 1312013089
BaseRepresentation
bin1011011111111…
…0100011001101
310100202021010212
42313332203031
544321303212
64441412205
71123636016
oct267764315
9110667125
1048228557
1125250913
121419a065
139cb8010
14659600d
154379e22
hex2dfe8cd

48228557 has 8 divisors (see below), whose sum is σ = 51998520. Its totient is φ = 44467200.

The previous prime is 48228553. The next prime is 48228589. The reversal of 48228557 is 75582284.

It can be written as a sum of positive squares in 4 ways, for example, as 259081 + 47969476 = 509^2 + 6926^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48228557 - 22 = 48228553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48228553) 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 7 ways as a sum of consecutive naturals, for example, 14069 + ... + 17157.

It is an arithmetic number, because the mean of its divisors is an integer number (6499815).

Almost surely, 248228557 is an apocalyptic number.

It is an amenable number.

48228557 is a deficient number, since it is larger than the sum of its proper divisors (3769963).

48228557 is a wasteful number, since it uses less digits than its factorization.

48228557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303.

The product of its digits is 179200, while the sum is 41.

The square root of 48228557 is about 6944.6783222839. The cubic root of 48228557 is about 364.0000327054. Note that the first 4 decimals are identical.

The spelling of 48228557 in words is "forty-eight million, two hundred twenty-eight thousand, five hundred fifty-seven".

Divisors: 1 13 1201 3089 15613 40157 3709889 48228557