Base | Representation |
---|---|
bin | 10001100001011… |
… | …01101011100110 |
3 | 101020120202021202 |
4 | 20300231223212 |
5 | 300112102000 |
6 | 22330242502 |
7 | 3433242500 |
oct | 1060555346 |
9 | 336522252 |
10 | 146987750 |
11 | 75a75088 |
12 | 41286432 |
13 | 245b5b00 |
14 | 15742d70 |
15 | cd86dd5 |
hex | 8c2dae6 |
146987750 has 144 divisors (see below), whose sum is σ = 351482976. Its totient is φ = 45864000.
The previous prime is 146987681. The next prime is 146987759. The reversal of 146987750 is 57789641.
146987750 = T36 + T37 + ... + T958.
146987750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 146987695 and 146987704.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (146987759) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2070215 + ... + 2070285.
It is an arithmetic number, because the mean of its divisors is an integer number (2440854).
Almost surely, 2146987750 is an apocalyptic number.
146987750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
146987750 is an abundant number, since it is smaller than the sum of its proper divisors (204495226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
146987750 is a wasteful number, since it uses less digits than its factorization.
146987750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128 (or 98 counting only the distinct ones).
The product of its (nonzero) digits is 423360, while the sum is 47.
The square root of 146987750 is about 12123.8504609715. The cubic root of 146987750 is about 527.7485482940.
The spelling of 146987750 in words is "one hundred forty-six million, nine hundred eighty-seven thousand, seven hundred fifty".
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