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2148389235 = 32547741983
BaseRepresentation
bin1000000000001101…
…1101000101110011
312112201120110222200
42000003131011303
513344441423420
6553103234243
7104145002316
oct20003350563
95481513880
102148389235
11a027896a3
124bb5a8983
13283131045
1416548497d
15c8924b90
hex800dd173

2148389235 has 12 divisors (see below), whose sum is σ = 3723874752. Its totient is φ = 1145807568.

The previous prime is 2148389227. The next prime is 2148389251. The reversal of 2148389235 is 5329838412.

It is not a de Polignac number, because 2148389235 - 23 = 2148389227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 47741983 = 2148389235 / (2 + 1 + 4 + 8 + 3 + 8 + 9 + 2 + 3 + 5).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 23870947 + ... + 23871036.

It is an arithmetic number, because the mean of its divisors is an integer number (310322896).

Almost surely, 22148389235 is an apocalyptic number.

2148389235 is a deficient number, since it is larger than the sum of its proper divisors (1575485517).

2148389235 is a wasteful number, since it uses less digits than its factorization.

2148389235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47741994 (or 47741991 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 2148389235 is about 46350.7198973220. The cubic root of 2148389235 is about 1290.3404816057.

The spelling of 2148389235 in words is "two billion, one hundred forty-eight million, three hundred eighty-nine thousand, two hundred thirty-five".

Divisors: 1 3 5 9 15 45 47741983 143225949 238709915 429677847 716129745 2148389235