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269251390 = 2528195819
BaseRepresentation
bin10000000011000…
…111001100111110
3200202122101110201
4100003013030332
51022412021030
642414554114
76446412322
oct2003071476
9622571421
10269251390
11128a92611
127620893a
1343a23165
1427a8b982
15189882ca
hex100c733e

269251390 has 16 divisors (see below), whose sum is σ = 486382320. Its totient is φ = 107316160.

The previous prime is 269251379. The next prime is 269251393. The reversal of 269251390 is 93152962.

269251390 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2692513902 = 144992622033864200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (269251393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45100 + ... + 50719.

It is an arithmetic number, because the mean of its divisors is an integer number (30398895).

Almost surely, 2269251390 is an apocalyptic number.

269251390 is a deficient number, since it is larger than the sum of its proper divisors (217130930).

269251390 is a wasteful number, since it uses less digits than its factorization.

269251390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96107.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 269251390 is about 16408.8814365879. The cubic root of 269251390 is about 645.7325091398.

The spelling of 269251390 in words is "two hundred sixty-nine million, two hundred fifty-one thousand, three hundred ninety".

Divisors: 1 2 5 10 281 562 1405 2810 95819 191638 479095 958190 26925139 53850278 134625695 269251390