Base | Representation |
---|---|
bin | 1001001011011… |
… | …0111101011100 |
3 | 2200102220112001 |
4 | 2102312331130 |
5 | 34323420030 |
6 | 3453052044 |
7 | 645141322 |
oct | 222667534 |
9 | 80386461 |
10 | 38498140 |
11 | 1a80524a |
12 | 10a87024 |
13 | 7c8c085 |
14 | 5181d12 |
15 | 35a6cca |
hex | 24b6f5c |
38498140 has 24 divisors (see below), whose sum is σ = 82373760. Its totient is φ = 15108288.
The previous prime is 38498099. The next prime is 38498143. The reversal of 38498140 is 4189483.
It is a super-3 number, since 3×384981403 (a number of 24 digits) contains 333 as substring.
It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 38498140.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38498143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17100 + ... + 19219.
It is an arithmetic number, because the mean of its divisors is an integer number (3432240).
Almost surely, 238498140 is an apocalyptic number.
It is an amenable number.
38498140 is an abundant number, since it is smaller than the sum of its proper divisors (43875620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38498140 is a wasteful number, since it uses less digits than its factorization.
38498140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36381 (or 36379 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 37.
The square root of 38498140 is about 6204.6869381138. The cubic root of 38498140 is about 337.6602330142.
The spelling of 38498140 in words is "thirty-eight million, four hundred ninety-eight thousand, one hundred forty".
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