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38723113 = 1113270791
BaseRepresentation
bin1001001110110…
…1111000101001
32200212100010101
42103231320221
534403114423
63501545401
7650066242
oct223557051
980770111
1038723113
111a949280
1210b75261
13803a5b0
1451ddcc9
1535ed7ad
hex24ede29

38723113 has 8 divisors (see below), whose sum is σ = 45493056. Its totient is φ = 32494800.

The previous prime is 38723101. The next prime is 38723129. The reversal of 38723113 is 31132783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38723113 - 25 = 38723081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38703113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135253 + ... + 135538.

It is an arithmetic number, because the mean of its divisors is an integer number (5686632).

Almost surely, 238723113 is an apocalyptic number.

It is an amenable number.

38723113 is a deficient number, since it is larger than the sum of its proper divisors (6769943).

38723113 is a wasteful number, since it uses less digits than its factorization.

38723113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270815.

The product of its digits is 3024, while the sum is 28.

The square root of 38723113 is about 6222.7898084380. The cubic root of 38723113 is about 338.3166884696.

Adding to 38723113 its reverse (31132783), we get a palindrome (69855896).

The spelling of 38723113 in words is "thirty-eight million, seven hundred twenty-three thousand, one hundred thirteen".

Divisors: 1 11 13 143 270791 2978701 3520283 38723113