Base | Representation |
---|---|
bin | 10001101010100… |
… | …01011111101101 |
3 | 101022211110220001 |
4 | 20311101133231 |
5 | 300413324041 |
6 | 22412024301 |
7 | 3446351320 |
oct | 1065213755 |
9 | 338743801 |
10 | 148183021 |
11 | 76711108 |
12 | 41762091 |
13 | 24913b7c |
14 | 159747b7 |
15 | d021131 |
hex | 8d517ed |
148183021 has 8 divisors (see below), whose sum is σ = 169732800. Its totient is φ = 126728448.
The previous prime is 148183003. The next prime is 148183027. The reversal of 148183021 is 120381841.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 148183021 - 29 = 148182509 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148183027) 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, 20431 + ... + 26716.
It is an arithmetic number, because the mean of its divisors is an integer number (21216600).
Almost surely, 2148183021 is an apocalyptic number.
It is an amenable number.
148183021 is a deficient number, since it is larger than the sum of its proper divisors (21549779).
148183021 is an equidigital number, since it uses as much as digits as its factorization.
148183021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47603.
The product of its (nonzero) digits is 1536, while the sum is 28.
The square root of 148183021 is about 12173.0448532814. The cubic root of 148183021 is about 529.1751986335.
It can be divided in two parts, 14 and 8183021, that added together give a triangular number (8183035 = T4045).
The spelling of 148183021 in words is "one hundred forty-eight million, one hundred eighty-three thousand, twenty-one".
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