Base | Representation |
---|---|
bin | 10001110000010… |
… | …11111111001010 |
3 | 101101021021201111 |
4 | 20320023333022 |
5 | 301112300030 |
6 | 22440240534 |
7 | 3456012331 |
oct | 1070137712 |
9 | 341237644 |
10 | 148946890 |
11 | 77093004 |
12 | 41a7014a |
13 | 24b20771 |
14 | 15ad2d18 |
15 | d12262a |
hex | 8e0bfca |
148946890 has 16 divisors (see below), whose sum is σ = 282215520. Its totient is φ = 56442960.
The previous prime is 148946887. The next prime is 148946893. The reversal of 148946890 is 98649841.
It is an interprime number because it is at equal distance from previous prime (148946887) and next prime (148946893).
It is not an unprimeable number, because it can be changed into a prime (148946893) 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, 391776 + ... + 392155.
It is an arithmetic number, because the mean of its divisors is an integer number (17638470).
Almost surely, 2148946890 is an apocalyptic number.
148946890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
148946890 is a deficient number, since it is larger than the sum of its proper divisors (133268630).
148946890 is a wasteful number, since it uses less digits than its factorization.
148946890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 783957.
The product of its (nonzero) digits is 497664, while the sum is 49.
The square root of 148946890 is about 12204.3799514764. The cubic root of 148946890 is about 530.0829228270.
The spelling of 148946890 in words is "one hundred forty-eight million, nine hundred forty-six thousand, eight hundred ninety".
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