Base | Representation |
---|---|
bin | 10001110000001… |
… | …01011000111111 |
3 | 101101012220122210 |
4 | 20320011120333 |
5 | 301110413441 |
6 | 22435511503 |
7 | 3455540502 |
oct | 1070053077 |
9 | 341186583 |
10 | 148919871 |
11 | 77074781 |
12 | 41a58593 |
13 | 24b11389 |
14 | 15ac7139 |
15 | d119616 |
hex | 8e0563f |
148919871 has 8 divisors (see below), whose sum is σ = 207192960. Its totient is φ = 94963352.
The previous prime is 148919807. The next prime is 148919893. The reversal of 148919871 is 178919841.
148919871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 148919871 - 26 = 148919807 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 148919871.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148919801) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1079061 + ... + 1079198.
It is an arithmetic number, because the mean of its divisors is an integer number (25899120).
Almost surely, 2148919871 is an apocalyptic number.
148919871 is a deficient number, since it is larger than the sum of its proper divisors (58273089).
148919871 is a wasteful number, since it uses less digits than its factorization.
148919871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2158285.
The product of its digits is 145152, while the sum is 48.
The square root of 148919871 is about 12203.2729626113. The cubic root of 148919871 is about 530.0508685007.
The spelling of 148919871 in words is "one hundred forty-eight million, nine hundred nineteen thousand, eight hundred seventy-one".
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