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48143217 = 331216699
BaseRepresentation
bin1011011110100…
…1101101110001
310100120221002010
42313221231301
544311040332
64435513133
71123132143
oct267515561
9110527063
1048143217
11251a2791
12141587a9
139c88215
146572c93
15435e9cc
hex2de9b71

48143217 has 12 divisors (see below), whose sum is σ = 66332400. Its totient is φ = 31058280.

The previous prime is 48143197. The next prime is 48143231. The reversal of 48143217 is 71234184.

It is not a de Polignac number, because 48143217 - 27 = 48143089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48143297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5467 + ... + 11232.

It is an arithmetic number, because the mean of its divisors is an integer number (5527700).

Almost surely, 248143217 is an apocalyptic number.

It is an amenable number.

48143217 is a deficient number, since it is larger than the sum of its proper divisors (18189183).

48143217 is a wasteful number, since it uses less digits than its factorization.

48143217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16764 (or 16733 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 48143217 is about 6938.5313287467. The cubic root of 48143217 is about 363.7852076784.

The spelling of 48143217 in words is "forty-eight million, one hundred forty-three thousand, two hundred seventeen".

Divisors: 1 3 31 93 961 2883 16699 50097 517669 1553007 16047739 48143217