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38114721 = 3211533673
BaseRepresentation
bin1001000101100…
…1010110100001
32122201102120100
42101121112201
534224132341
63440533013
7641653431
oct221312641
978642510
1038114721
111a573177
1210921169
137b866b8
1450c22c1
15352d3b6
hex24595a1

38114721 has 12 divisors (see below), whose sum is σ = 55117348. Its totient is φ = 25380864.

The previous prime is 38114711. The next prime is 38114737. The reversal of 38114721 is 12741183.

It can be written as a sum of positive squares in 2 ways, for example, as 14930496 + 23184225 = 3864^2 + 4815^2 .

It is not a de Polignac number, because 38114721 - 219 = 37590433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38114701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8541 + ... + 12213.

Almost surely, 238114721 is an apocalyptic number.

It is an amenable number.

38114721 is a deficient number, since it is larger than the sum of its proper divisors (17002627).

38114721 is a wasteful number, since it uses less digits than its factorization.

38114721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4832 (or 4829 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 38114721 is about 6173.7120924125. The cubic root of 38114721 is about 336.5355246289.

The spelling of 38114721 in words is "thirty-eight million, one hundred fourteen thousand, seven hundred twenty-one".

Divisors: 1 3 9 1153 3459 3673 10377 11019 33057 4234969 12704907 38114721