Search a number
-
+
270644669 is a prime number
BaseRepresentation
bin10000001000011…
…011010110111101
3200212021011200122
4100020123112331
51023241112134
642504504325
76464304341
oct2010332675
9625234618
10270644669
11129854389
127677b0a5
13440c0399
1427d31621
1518b6102e
hex1021b5bd

270644669 has 2 divisors, whose sum is σ = 270644670. Its totient is φ = 270644668.

The previous prime is 270644597. The next prime is 270644681. The reversal of 270644669 is 966446072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219336100 + 51308569 = 14810^2 + 7163^2 .

It is a cyclic number.

It is not a de Polignac number, because 270644669 - 228 = 2209213 is a prime.

It is a super-2 number, since 2×2706446692 = 146497073716239122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270244669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135322334 + 135322335.

It is an arithmetic number, because the mean of its divisors is an integer number (135322335).

Almost surely, 2270644669 is an apocalyptic number.

It is an amenable number.

270644669 is a deficient number, since it is larger than the sum of its proper divisors (1).

270644669 is an equidigital number, since it uses as much as digits as its factorization.

270644669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 270644669 is about 16451.2816825924. The cubic root of 270644669 is about 646.8444045336.

The spelling of 270644669 in words is "two hundred seventy million, six hundred forty-four thousand, six hundred sixty-nine".