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158268349 is a prime number
BaseRepresentation
bin10010110111011…
…11101110111101
3102000210212100201
421123233232331
5311004041344
623412123501
73631154521
oct1133575675
9360725321
10158268349
118137a398
1245006591
1326a35515
141703bd81
15dd644d4
hex96efbbd

158268349 has 2 divisors, whose sum is σ = 158268350. Its totient is φ = 158268348.

The previous prime is 158268269. The next prime is 158268353. The reversal of 158268349 is 943862851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138180025 + 20088324 = 11755^2 + 4482^2 .

It is a cyclic number.

It is not a de Polignac number, because 158268349 - 211 = 158266301 is a prime.

It is a super-3 number, since 3×1582683493 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 158268299 and 158268308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158268949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79134174 + 79134175.

It is an arithmetic number, because the mean of its divisors is an integer number (79134175).

Almost surely, 2158268349 is an apocalyptic number.

It is an amenable number.

158268349 is a deficient number, since it is larger than the sum of its proper divisors (1).

158268349 is an equidigital number, since it uses as much as digits as its factorization.

158268349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 46.

The square root of 158268349 is about 12580.4749115445. The cubic root of 158268349 is about 540.9179050026.

The spelling of 158268349 in words is "one hundred fifty-eight million, two hundred sixty-eight thousand, three hundred forty-nine".