Base | Representation |
---|---|
bin | 1001001001111… |
… | …1011101010101 |
3 | 2200021000110202 |
4 | 2102133131111 |
5 | 34312330002 |
6 | 3451030245 |
7 | 644260553 |
oct | 222373525 |
9 | 80230422 |
10 | 38401877 |
11 | 1a749998 |
12 | 10a3b385 |
13 | 7c57307 |
14 | 5158bd3 |
15 | 3588502 |
hex | 249f755 |
38401877 has 4 divisors (see below), whose sum is σ = 38484576. Its totient is φ = 38319180.
The previous prime is 38401873. The next prime is 38401897. The reversal of 38401877 is 77810483.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77810483 = 421 ⋅184823.
It is a cyclic number.
It is not a de Polignac number, because 38401877 - 22 = 38401873 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 38401877.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38401873) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40649 + ... + 41582.
It is an arithmetic number, because the mean of its divisors is an integer number (9621144).
Almost surely, 238401877 is an apocalyptic number.
It is an amenable number.
38401877 is a deficient number, since it is larger than the sum of its proper divisors (82699).
38401877 is an equidigital number, since it uses as much as digits as its factorization.
38401877 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82698.
The product of its (nonzero) digits is 37632, while the sum is 38.
The square root of 38401877 is about 6196.9248018675. The cubic root of 38401877 is about 337.3785629864.
The spelling of 38401877 in words is "thirty-eight million, four hundred one thousand, eight hundred seventy-seven".
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