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269628481 is a prime number
BaseRepresentation
bin10000000100100…
…011010001000001
3200210100112202001
4100010203101001
51023011102411
642431024001
76452542603
oct2004432101
9623315661
10269628481
1112921a961
127636b001
1343b259a5
1427b49173
1518a0edc1
hex10123441

269628481 has 2 divisors, whose sum is σ = 269628482. Its totient is φ = 269628480.

The previous prime is 269628451. The next prime is 269628497. The reversal of 269628481 is 184826962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151167025 + 118461456 = 12295^2 + 10884^2 .

It is a cyclic number.

It is not a de Polignac number, because 269628481 - 217 = 269497409 is a prime.

It is a super-3 number, since 3×2696284813 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (269628431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134814240 + 134814241.

It is an arithmetic number, because the mean of its divisors is an integer number (134814241).

Almost surely, 2269628481 is an apocalyptic number.

It is an amenable number.

269628481 is a deficient number, since it is larger than the sum of its proper divisors (1).

269628481 is an equidigital number, since it uses as much as digits as its factorization.

269628481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 46.

The square root of 269628481 is about 16420.3678704224. The cubic root of 269628481 is about 646.0338215190.

The spelling of 269628481 in words is "two hundred sixty-nine million, six hundred twenty-eight thousand, four hundred eighty-one".