Base | Representation |
---|---|
bin | 1001010001100… |
… | …0011101010111 |
3 | 2201012012022222 |
4 | 2110120131113 |
5 | 34424204440 |
6 | 3505412555 |
7 | 651423530 |
oct | 224303527 |
9 | 81165288 |
10 | 38897495 |
11 | 1aa5829a |
12 | 1103a15b |
13 | 809ba90 |
14 | 5247687 |
15 | 36352b5 |
hex | 2518757 |
38897495 has 32 divisors (see below), whose sum is σ = 58568832. Its totient is φ = 24141312.
The previous prime is 38897491. The next prime is 38897519. The reversal of 38897495 is 59479883.
38897495 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 38897495 - 22 = 38897491 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (53).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38897491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23309 + ... + 24921.
It is an arithmetic number, because the mean of its divisors is an integer number (1830276).
Almost surely, 238897495 is an apocalyptic number.
38897495 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
38897495 is a deficient number, since it is larger than the sum of its proper divisors (19671337).
38897495 is a wasteful number, since it uses less digits than its factorization.
38897495 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1691.
The product of its digits is 2177280, while the sum is 53.
The square root of 38897495 is about 6236.7856304350. The cubic root of 38897495 is about 338.8237758187.
The spelling of 38897495 in words is "thirty-eight million, eight hundred ninety-seven thousand, four hundred ninety-five".
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