Base | Representation |
---|---|
bin | 10001101110100… |
… | …00001100010001 |
3 | 101100210211202100 |
4 | 20313100030101 |
5 | 301031430334 |
6 | 22431111013 |
7 | 3453642303 |
oct | 1067201421 |
9 | 340724670 |
10 | 148701969 |
11 | 76a35a99 |
12 | 41972469 |
13 | 24a66140 |
14 | 15a6b973 |
15 | d0c4c99 |
hex | 8dd0311 |
148701969 has 24 divisors (see below), whose sum is σ = 241375680. Its totient is φ = 87528672.
The previous prime is 148701967. The next prime is 148701979. The reversal of 148701969 is 969107841.
It is a happy number.
It is not a de Polignac number, because 148701969 - 21 = 148701967 is a prime.
It is a super-2 number, since 2×1487019692 = 44224551168953922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (148701967) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24939 + ... + 30320.
It is an arithmetic number, because the mean of its divisors is an integer number (10057320).
Almost surely, 2148701969 is an apocalyptic number.
It is an amenable number.
148701969 is a deficient number, since it is larger than the sum of its proper divisors (92673711).
148701969 is a wasteful number, since it uses less digits than its factorization.
148701969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55301 (or 55298 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 45.
The square root of 148701969 is about 12194.3416796480. The cubic root of 148701969 is about 529.7922159273.
The spelling of 148701969 in words is "one hundred forty-eight million, seven hundred one thousand, nine hundred sixty-nine".
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