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268364169 = 3229818241
BaseRepresentation
bin11111111111011…
…10100110001001
3200200222022102200
433333232212021
51022200123134
642343550413
76436025553
oct1777564611
9620868380
10268364169
11128536a77
1275a5b409
13437a2388
14278da4d3
1518860499
hexffee989

268364169 has 6 divisors (see below), whose sum is σ = 387637146. Its totient is φ = 178909440.

The previous prime is 268364153. The next prime is 268364183. The reversal of 268364169 is 961463862.

It can be written as a sum of positive squares in only one way, i.e., 193766400 + 74597769 = 13920^2 + 8637^2 .

It is not a de Polignac number, because 268364169 - 24 = 268364153 is a prime.

It is a super-2 number, since 2×2683641692 = 144038654406121122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268364119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14909112 + ... + 14909129.

It is an arithmetic number, because the mean of its divisors is an integer number (64606191).

Almost surely, 2268364169 is an apocalyptic number.

It is an amenable number.

268364169 is a deficient number, since it is larger than the sum of its proper divisors (119272977).

268364169 is a wasteful number, since it uses less digits than its factorization.

268364169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29818247 (or 29818244 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 268364169 is about 16381.8243489545. The cubic root of 268364169 is about 645.0224690208.

The spelling of 268364169 in words is "two hundred sixty-eight million, three hundred sixty-four thousand, one hundred sixty-nine".

Divisors: 1 3 9 29818241 89454723 268364169