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148985059 = 178763827
BaseRepresentation
bin10001110000101…
…01010011100011
3101101100020002011
420320111103203
5301120010214
622441133351
73456231526
oct1070252343
9341306064
10148985059
1177109753
1241a8a257
1324b34c52
1415b02bbd
15d12dac4
hex8e154e3

148985059 has 4 divisors (see below), whose sum is σ = 157748904. Its totient is φ = 140221216.

The previous prime is 148985047. The next prime is 148985069. The reversal of 148985059 is 950589841.

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 148985059 - 25 = 148985027 is a prime.

It is a Smith number, since the sum of its digits (49) 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 (148985009) 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 3 ways as a sum of consecutive naturals, for example, 4381897 + ... + 4381930.

It is an arithmetic number, because the mean of its divisors is an integer number (39437226).

Almost surely, 2148985059 is an apocalyptic number.

148985059 is a deficient number, since it is larger than the sum of its proper divisors (8763845).

148985059 is an equidigital number, since it uses as much as digits as its factorization.

148985059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8763844.

The product of its (nonzero) digits is 518400, while the sum is 49.

The square root of 148985059 is about 12205.9435931844. The cubic root of 148985059 is about 530.1281984888.

The spelling of 148985059 in words is "one hundred forty-eight million, nine hundred eighty-five thousand, fifty-nine".

Divisors: 1 17 8763827 148985059