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38838613 = 1131111353
BaseRepresentation
bin1001010000101…
…0000101010101
32201002012120011
42110022011111
534420313423
63504240221
7651060052
oct224120525
981065504
1038838613
111aa18030
1211010071
13807b038
145230029
153622b0d
hex250a155

38838613 has 8 divisors (see below), whose sum is σ = 42509376. Its totient is φ = 35191200.

The previous prime is 38838601. The next prime is 38838617. The reversal of 38838613 is 31683883.

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

It is not a de Polignac number, because 38838613 - 25 = 38838581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38838617) 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, 2256 + ... + 9097.

It is an arithmetic number, because the mean of its divisors is an integer number (5313672).

Almost surely, 238838613 is an apocalyptic number.

It is an amenable number.

38838613 is a deficient number, since it is larger than the sum of its proper divisors (3670763).

38838613 is a wasteful number, since it uses less digits than its factorization.

38838613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11675.

The product of its digits is 82944, while the sum is 40.

The square root of 38838613 is about 6232.0633019892. The cubic root of 38838613 is about 338.6527219847.

The spelling of 38838613 in words is "thirty-eight million, eight hundred thirty-eight thousand, six hundred thirteen".

Divisors: 1 11 311 3421 11353 124883 3530783 38838613