Base | Representation |
---|---|
bin | 10001101100001… |
… | …10111000111000 |
3 | 101100020120220000 |
4 | 20312012320320 |
5 | 300442323340 |
6 | 22420433000 |
7 | 3451252035 |
oct | 1066067070 |
9 | 340216800 |
10 | 148401720 |
11 | 76850455 |
12 | 41848760 |
13 | 2498c58c |
14 | 159d038c |
15 | d065d30 |
hex | 8d86e38 |
148401720 has 160 divisors (see below), whose sum is σ = 503640720. Its totient is φ = 39191040.
The previous prime is 148401707. The next prime is 148401731. The reversal of 148401720 is 27104841.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 527980 + ... + 528260.
Almost surely, 2148401720 is an apocalyptic number.
148401720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 148401720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251820360).
148401720 is an abundant number, since it is smaller than the sum of its proper divisors (355239000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148401720 is a wasteful number, since it uses less digits than its factorization.
148401720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 467 (or 454 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 27.
The square root of 148401720 is about 12182.0244622969. The cubic root of 148401720 is about 529.4354020819.
The spelling of 148401720 in words is "one hundred forty-eight million, four hundred one thousand, seven hundred twenty".
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