Base | Representation |
---|---|
bin | 11100011010111… |
… | …01010001011101 |
3 | 121121121102101110 |
4 | 32031131101131 |
5 | 442013040142 |
6 | 35353532233 |
7 | 5623304244 |
oct | 1615352135 |
9 | 547542343 |
10 | 238408797 |
11 | 112637070 |
12 | 67a14079 |
13 | 3a5147c3 |
14 | 2393d95b |
15 | 15de499c |
hex | e35d45d |
238408797 has 32 divisors (see below), whose sum is σ = 368484480. Its totient is φ = 135717120.
The previous prime is 238408771. The next prime is 238408829. The reversal of 238408797 is 797804832.
It is not a de Polignac number, because 238408797 - 212 = 238404701 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238400797) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32043 + ... + 38775.
It is an arithmetic number, because the mean of its divisors is an integer number (11515140).
Almost surely, 2238408797 is an apocalyptic number.
It is an amenable number.
238408797 is a deficient number, since it is larger than the sum of its proper divisors (130075683).
238408797 is a wasteful number, since it uses less digits than its factorization.
238408797 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6813.
The product of its (nonzero) digits is 677376, while the sum is 48.
The square root of 238408797 is about 15440.4921229862. The cubic root of 238408797 is about 620.0700553861.
The spelling of 238408797 in words is "two hundred thirty-eight million, four hundred eight thousand, seven hundred ninety-seven".
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