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38047097 = 113458827
BaseRepresentation
bin1001000100100…
…0110101111001
32122120222210202
42101020311321
534220001342
63435251545
7641252324
oct221106571
978528722
1038047097
111a527390
12108a9bb5
137b6199a
1450a57bb
153518332
hex2448d79

38047097 has 4 divisors (see below), whose sum is σ = 41505936. Its totient is φ = 34588260.

The previous prime is 38047073. The next prime is 38047123. The reversal of 38047097 is 79074083.

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: 79074083 = 117188553.

It is a cyclic number.

It is not a de Polignac number, because 38047097 - 218 = 37784953 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 38047097.

It is not an unprimeable number, because it can be changed into a prime (38047027) 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, 1729403 + ... + 1729424.

It is an arithmetic number, because the mean of its divisors is an integer number (10376484).

Almost surely, 238047097 is an apocalyptic number.

It is an amenable number.

38047097 is a deficient number, since it is larger than the sum of its proper divisors (3458839).

38047097 is a wasteful number, since it uses less digits than its factorization.

38047097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458838.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 38047097 is about 6168.2328911934. The cubic root of 38047097 is about 336.3363771588.

It can be divided in two parts, 3804 and 7097, that added together give a palindrome (10901).

The spelling of 38047097 in words is "thirty-eight million, forty-seven thousand, ninety-seven".

Divisors: 1 11 3458827 38047097