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38112321 = 313977239
BaseRepresentation
bin1001000101100…
…0110001000001
32122201022021110
42101120301001
534224043241
63440513533
7641643432
oct221306101
978638243
1038112321
111a571395
121091b8a9
137b85590
1450c1489
15352c816
hex2458c41

38112321 has 8 divisors (see below), whose sum is σ = 54725440. Its totient is φ = 23453712.

The previous prime is 38112313. The next prime is 38112343. The reversal of 38112321 is 12321183.

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

It is not a de Polignac number, because 38112321 - 23 = 38112313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38112121) 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, 488581 + ... + 488658.

It is an arithmetic number, because the mean of its divisors is an integer number (6840680).

Almost surely, 238112321 is an apocalyptic number.

It is an amenable number.

38112321 is a deficient number, since it is larger than the sum of its proper divisors (16613119).

38112321 is a wasteful number, since it uses less digits than its factorization.

38112321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977255.

The product of its digits is 288, while the sum is 21.

The square root of 38112321 is about 6173.5177168289. The cubic root of 38112321 is about 336.5284608471.

The spelling of 38112321 in words is "thirty-eight million, one hundred twelve thousand, three hundred twenty-one".

Divisors: 1 3 13 39 977239 2931717 12704107 38112321