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38654869 = 113514079
BaseRepresentation
bin1001001101110…
…1001110010101
32200201212111211
42103131032111
534343423434
63500301421
7646363261
oct223351625
980655454
1038654869
111a901a80
1210b41871
138015506
1451c30a1
1535d8464
hex24dd395

38654869 has 4 divisors (see below), whose sum is σ = 42168960. Its totient is φ = 35140780.

The previous prime is 38654867. The next prime is 38654897. The reversal of 38654869 is 96845683.

It is a happy number.

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: 96845683 = 118804153.

It is a cyclic number.

It is not a de Polignac number, because 38654869 - 21 = 38654867 is a prime.

It is a super-2 number, since 2×386548692 = 2988397794814322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38654867) 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, 1757029 + ... + 1757050.

It is an arithmetic number, because the mean of its divisors is an integer number (10542240).

Almost surely, 238654869 is an apocalyptic number.

It is an amenable number.

38654869 is a deficient number, since it is larger than the sum of its proper divisors (3514091).

38654869 is a wasteful number, since it uses less digits than its factorization.

38654869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514090.

The product of its digits is 1244160, while the sum is 49.

The square root of 38654869 is about 6217.3039977148. The cubic root of 38654869 is about 338.1178265260.

It can be divided in two parts, 386 and 54869, that added together give a palindrome (55255).

The spelling of 38654869 in words is "thirty-eight million, six hundred fifty-four thousand, eight hundred sixty-nine".

Divisors: 1 11 3514079 38654869