Base | Representation |
---|---|
bin | 10001101001101… |
… | …10001000010011 |
3 | 101022121210010120 |
4 | 20310312020103 |
5 | 300401232211 |
6 | 22405401323 |
7 | 3445403451 |
oct | 1064661023 |
9 | 338553116 |
10 | 148070931 |
11 | 76644978 |
12 | 41709243 |
13 | 248a4b48 |
14 | 159459d1 |
15 | ceecd06 |
hex | 8d36213 |
148070931 has 4 divisors (see below), whose sum is σ = 197427912. Its totient is φ = 98713952.
The previous prime is 148070927. The next prime is 148070947. The reversal of 148070931 is 139070841.
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 148070931 - 22 = 148070927 is a prime.
It is a super-4 number, since 4×1480709314 (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 148070892 and 148070901.
It is not an unprimeable number, because it can be changed into a prime (148070981) 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, 24678486 + ... + 24678491.
It is an arithmetic number, because the mean of its divisors is an integer number (49356978).
Almost surely, 2148070931 is an apocalyptic number.
148070931 is a deficient number, since it is larger than the sum of its proper divisors (49356981).
148070931 is an equidigital number, since it uses as much as digits as its factorization.
148070931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49356980.
The product of its (nonzero) digits is 6048, while the sum is 33.
The square root of 148070931 is about 12168.4399575295. The cubic root of 148070931 is about 529.0417370762.
The spelling of 148070931 in words is "one hundred forty-eight million, seventy thousand, nine hundred thirty-one".
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