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38090113 = 145926107
BaseRepresentation
bin1001000101001…
…1010110000001
32122200011210221
42101103112001
534222340423
63440223041
7641521615
oct221232601
978604727
1038090113
111a556736
121090aa81
137b78439
1450b7345
153525e5d
hex2453581

38090113 has 4 divisors (see below), whose sum is σ = 38117680. Its totient is φ = 38062548.

The previous prime is 38090089. The next prime is 38090119. The reversal of 38090113 is 31109083.

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.

It is a cyclic number.

It is not a de Polignac number, because 38090113 - 217 = 37959041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38090119) 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, 11595 + ... + 14512.

It is an arithmetic number, because the mean of its divisors is an integer number (9529420).

Almost surely, 238090113 is an apocalyptic number.

It is an amenable number.

38090113 is a deficient number, since it is larger than the sum of its proper divisors (27567).

38090113 is a wasteful number, since it uses less digits than its factorization.

38090113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27566.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 38090113 is about 6171.7188043526. The cubic root of 38090113 is about 336.4630832478.

Adding to 38090113 its reverse (31109083), we get a palindrome (69199196).

The spelling of 38090113 in words is "thirty-eight million, ninety thousand, one hundred thirteen".

Divisors: 1 1459 26107 38090113