Base | Representation |
---|---|
bin | 10001100100111… |
… | …00100110010100 |
3 | 101021102211111100 |
4 | 20302130212110 |
5 | 300221121233 |
6 | 22344110100 |
7 | 3440144154 |
oct | 1062344624 |
9 | 337384440 |
10 | 147442068 |
11 | 76255454 |
12 | 41465330 |
13 | 24714837 |
14 | 15820764 |
15 | ce26813 |
hex | 8c9c994 |
147442068 has 72 divisors (see below), whose sum is σ = 384523776. Its totient is φ = 47606400.
The previous prime is 147442067. The next prime is 147442069. The reversal of 147442068 is 860244741.
It is an interprime number because it is at equal distance from previous prime (147442067) and next prime (147442069).
It is a super-2 number, since 2×1474420682 = 43478326832233248, which contains 22 as substring.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (147442067) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281655 + ... + 282177.
It is an arithmetic number, because the mean of its divisors is an integer number (5340608).
Almost surely, 2147442068 is an apocalyptic number.
147442068 is a gapful number since it is divisible by the number (18) 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 147442068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192261888).
147442068 is an abundant number, since it is smaller than the sum of its proper divisors (237081708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
147442068 is a wasteful number, since it uses less digits than its factorization.
147442068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 765 (or 760 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 36.
The square root of 147442068 is about 12142.5725445640. The cubic root of 147442068 is about 528.2917206813.
The spelling of 147442068 in words is "one hundred forty-seven million, four hundred forty-two thousand, sixty-eight".
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