Base | Representation |
---|---|
bin | 10001110000101… |
… | …00100110001101 |
3 | 101101100002002200 |
4 | 20320110212031 |
5 | 301114412112 |
6 | 22441112113 |
7 | 3456220212 |
oct | 1070244615 |
9 | 341302080 |
10 | 148982157 |
11 | 77107555 |
12 | 41a88639 |
13 | 24b3382c |
14 | 15b01b09 |
15 | d12ccdc |
hex | 8e1498d |
148982157 has 12 divisors (see below), whose sum is σ = 216769020. Its totient is φ = 98595648.
The previous prime is 148982149. The next prime is 148982159. The reversal of 148982157 is 751289841.
It can be written as a sum of positive squares in 2 ways, for example, as 43837641 + 105144516 = 6621^2 + 10254^2 .
It is not a de Polignac number, because 148982157 - 23 = 148982149 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148982159) 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, 59182 + ... + 61647.
It is an arithmetic number, because the mean of its divisors is an integer number (18064085).
Almost surely, 2148982157 is an apocalyptic number.
It is an amenable number.
148982157 is a deficient number, since it is larger than the sum of its proper divisors (67786863).
148982157 is a wasteful number, since it uses less digits than its factorization.
148982157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120972 (or 120969 counting only the distinct ones).
The product of its digits is 161280, while the sum is 45.
The square root of 148982157 is about 12205.8247160935. The cubic root of 148982157 is about 530.1247564389.
The spelling of 148982157 in words is "one hundred forty-eight million, nine hundred eighty-two thousand, one hundred fifty-seven".
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