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2738248321 = 31277318883
BaseRepresentation
bin1010001100110110…
…0101101010000001
321001211111102112111
42203031211222001
521101442421241
61131414055321
7124566504154
oct24315455201
97054442474
102738248321
111185740546
1264504a541
133483b8ba3
141bd94bc9b
151105dcc81
hexa3365a81

2738248321 has 8 divisors (see below), whose sum is σ = 2836792064. Its totient is φ = 2640342960.

The previous prime is 2738248297. The next prime is 2738248343. The reversal of 2738248321 is 1238428372.

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

It is a cyclic number.

It is not a de Polignac number, because 2738248321 - 27 = 2738248193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2738248621) 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, 150855 + ... + 168028.

It is an arithmetic number, because the mean of its divisors is an integer number (354599008).

Almost surely, 22738248321 is an apocalyptic number.

It is an amenable number.

2738248321 is a deficient number, since it is larger than the sum of its proper divisors (98543743).

2738248321 is a wasteful number, since it uses less digits than its factorization.

2738248321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319191.

The product of its digits is 129024, while the sum is 40.

The square root of 2738248321 is about 52328.2745845876. The cubic root of 2738248321 is about 1399.0211390526.

The spelling of 2738248321 in words is "two billion, seven hundred thirty-eight million, two hundred forty-eight thousand, three hundred twenty-one".

Divisors: 1 31 277 8587 318883 9885373 88330591 2738248321