Base | Representation |
---|---|
bin | 10001000010001… |
… | …10000001000000 |
3 | 100221212201111210 |
4 | 20201012001000 |
5 | 243040034440 |
6 | 22102410120 |
7 | 3353400006 |
oct | 1041060100 |
9 | 327781453 |
10 | 142893120 |
11 | 73728797 |
12 | 3ba30940 |
13 | 237b1156 |
14 | 14d98a76 |
15 | c828a80 |
hex | 8846040 |
142893120 has 112 divisors (see below), whose sum is σ = 460126080. Its totient is φ = 37564416.
The previous prime is 142893073. The next prime is 142893131. The reversal of 142893120 is 21398241.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69061 + ... + 71099.
Almost surely, 2142893120 is an apocalyptic number.
142893120 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 142893120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230063040).
142893120 is an abundant number, since it is smaller than the sum of its proper divisors (317232960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142893120 is a wasteful number, since it uses less digits than its factorization.
142893120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2132 (or 2122 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 142893120 is about 11953.7910304639. The cubic root of 142893120 is about 522.8018386794.
The spelling of 142893120 in words is "one hundred forty-two million, eight hundred ninety-three thousand, one hundred twenty".
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