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269668241 = 23924721
BaseRepresentation
bin10000000100101…
…100111110010001
3200210102120021122
4100010230332101
51023013340431
642431532025
76453066533
oct2004547621
9623376248
10269668241
11129247817
127638a015
1343b3ab0b
1427b59853
1518a1ba7b
hex1012cf91

269668241 has 6 divisors (see below), whose sum is σ = 270858642. Its totient is φ = 268483040.

The previous prime is 269668211. The next prime is 269668249. The reversal of 269668241 is 142866962.

It can be written as a sum of positive squares in only one way, i.e., 233967616 + 35700625 = 15296^2 + 5975^2 .

It is not a de Polignac number, because 269668241 - 26 = 269668177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 269668192 and 269668201.

It is not an unprimeable number, because it can be changed into a prime (269668249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54761 + ... + 59481.

It is an arithmetic number, because the mean of its divisors is an integer number (45143107).

Almost surely, 2269668241 is an apocalyptic number.

It is an amenable number.

269668241 is a deficient number, since it is larger than the sum of its proper divisors (1190401).

269668241 is an frugal number, since it uses more digits than its factorization.

269668241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5199 (or 4960 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 269668241 is about 16421.5785173046. The cubic root of 269668241 is about 646.0655751406.

The spelling of 269668241 in words is "two hundred sixty-nine million, six hundred sixty-eight thousand, two hundred forty-one".

Divisors: 1 239 4721 57121 1128319 269668241