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38226841 = 192011939
BaseRepresentation
bin1001000111010…
…0101110011001
32122221010100221
42101310232121
534241224331
63443200041
7642631342
oct221645631
978833327
1038226841
111a63a434
1210976021
137bc5743
1451110c9
153551711
hex2474b99

38226841 has 4 divisors (see below), whose sum is σ = 40238800. Its totient is φ = 36214884.

The previous prime is 38226823. The next prime is 38226857. The reversal of 38226841 is 14862283.

38226841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 14862283 = 19177813.

It is a cyclic number.

It is not a de Polignac number, because 38226841 - 211 = 38224793 is a prime.

It is a super-2 number, since 2×382268412 = 2922582745678562, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38226797 and 38226806.

It is not an unprimeable number, because it can be changed into a prime (38226821) 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 3 ways as a sum of consecutive naturals, for example, 1005951 + ... + 1005988.

It is an arithmetic number, because the mean of its divisors is an integer number (10059700).

Almost surely, 238226841 is an apocalyptic number.

It is an amenable number.

38226841 is a deficient number, since it is larger than the sum of its proper divisors (2011959).

38226841 is a wasteful number, since it uses less digits than its factorization.

38226841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011958.

The product of its digits is 18432, while the sum is 34.

The square root of 38226841 is about 6182.7858607589. The cubic root of 38226841 is about 336.8651909972.

The spelling of 38226841 in words is "thirty-eight million, two hundred twenty-six thousand, eight hundred forty-one".

Divisors: 1 19 2011939 38226841