Base | Representation |
---|---|
bin | 10000111110000… |
… | …10010011001100 |
3 | 100220212022110000 |
4 | 20133002103030 |
5 | 242420303422 |
6 | 22043044300 |
7 | 3345662052 |
oct | 1037022314 |
9 | 326768400 |
10 | 142353612 |
11 | 7339a415 |
12 | 3b810690 |
13 | 2365270b |
14 | 14c981d2 |
15 | c76dcac |
hex | 87c24cc |
142353612 has 60 divisors (see below), whose sum is σ = 384172096. Its totient is φ = 45917280.
The previous prime is 142353593. The next prime is 142353613. The reversal of 142353612 is 216353241.
142353612 is a `hidden beast` number, since 1 + 42 + 3 + 5 + 3 + 612 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (142353613) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2958 + ... + 17130.
Almost surely, 2142353612 is an apocalyptic number.
142353612 is a gapful number since it is divisible by the number (12) 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 142353612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192086048).
142353612 is an abundant number, since it is smaller than the sum of its proper divisors (241818484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142353612 is a wasteful number, since it uses less digits than its factorization.
142353612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14220 (or 14209 counting only the distinct ones).
The product of its digits is 4320, while the sum is 27.
The square root of 142353612 is about 11931.2032922082. The cubic root of 142353612 is about 522.1430444283.
The spelling of 142353612 in words is "one hundred forty-two million, three hundred fifty-three thousand, six hundred twelve".
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