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2488887389 is a prime number
BaseRepresentation
bin1001010001011001…
…0110100001011101
320102110021120122102
42110112112201131
520044123344024
61050545254445
7115451123312
oct22426264135
96373246572
102488887389
111067a03a2a
12595634425
1330883b341
1419879ad09
15e87831ae
hex9459685d

2488887389 has 2 divisors, whose sum is σ = 2488887390. Its totient is φ = 2488887388.

The previous prime is 2488887299. The next prime is 2488887409. The reversal of 2488887389 is 9837888842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1548422500 + 940464889 = 39350^2 + 30667^2 .

It is a cyclic number.

It is not a de Polignac number, because 2488887389 - 28 = 2488887133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2488887589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244443694 + 1244443695.

It is an arithmetic number, because the mean of its divisors is an integer number (1244443695).

Almost surely, 22488887389 is an apocalyptic number.

It is an amenable number.

2488887389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2488887389 is an equidigital number, since it uses as much as digits as its factorization.

2488887389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49545216, while the sum is 65.

The square root of 2488887389 is about 49888.7501246524. The cubic root of 2488887389 is about 1355.1948701909.

The spelling of 2488887389 in words is "two billion, four hundred eighty-eight million, eight hundred eighty-seven thousand, three hundred eighty-nine".