Base | Representation |
---|---|
bin | 10001011111011… |
… | …11000111011000 |
3 | 101020002201202021 |
4 | 20233233013120 |
5 | 300030401410 |
6 | 22320544224 |
7 | 3431124400 |
oct | 1057570730 |
9 | 336081667 |
10 | 146731480 |
11 | 7590a595 |
12 | 41182074 |
13 | 2452627c |
14 | 156b7800 |
15 | cd35eda |
hex | 8bef1d8 |
146731480 has 96 divisors (see below), whose sum is σ = 393204240. Its totient is φ = 49109760.
The previous prime is 146731477. The next prime is 146731483. The reversal of 146731480 is 84137641.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (146731477) and next prime (146731483).
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (146731483) 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, 83410 + ... + 85150.
Almost surely, 2146731480 is an apocalyptic number.
146731480 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 146731480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196602120).
146731480 is an abundant number, since it is smaller than the sum of its proper divisors (246472760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
146731480 is a wasteful number, since it uses less digits than its factorization.
146731480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1809 (or 1798 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 34.
The square root of 146731480 is about 12113.2770132611. The cubic root of 146731480 is about 527.4416637719.
The spelling of 146731480 in words is "one hundred forty-six million, seven hundred thirty-one thousand, four hundred eighty".
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