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148805563 = 712095853
BaseRepresentation
bin10001101111010…
…01011110111011
3101101000002212011
420313221132323
5301043234223
622433230351
73454553314
oct1067513673
9341002764
10148805563
1176aa6905
1241a023b7
1324aa133a
1415a9760b
15d0e580d
hex8de97bb

148805563 has 4 divisors (see below), whose sum is σ = 150901488. Its totient is φ = 146709640.

The previous prime is 148805543. The next prime is 148805567. The reversal of 148805563 is 365508841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148805563 - 221 = 146708411 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148805567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1047856 + ... + 1047997.

It is an arithmetic number, because the mean of its divisors is an integer number (37725372).

Almost surely, 2148805563 is an apocalyptic number.

148805563 is a deficient number, since it is larger than the sum of its proper divisors (2095925).

148805563 is an equidigital number, since it uses as much as digits as its factorization.

148805563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095924.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 148805563 is about 12198.5885658956. The cubic root of 148805563 is about 529.9152148699.

The spelling of 148805563 in words is "one hundred forty-eight million, eight hundred five thousand, five hundred sixty-three".

Divisors: 1 71 2095853 148805563