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152122106 = 278739661
BaseRepresentation
bin10010001000100…
…11001011111010
3101121020121022002
421010103023322
5302420401411
623032301002
73525005453
oct1104231372
9347217262
10152122106
1178961654
1242b41762
1325692aa6
14162bc12a
15d54d33b
hex91132fa

152122106 has 8 divisors (see below), whose sum is σ = 228235764. Its totient is φ = 76043520.

The previous prime is 152122099. The next prime is 152122109. The reversal of 152122106 is 601221251.

152122106 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 90421081 + 61701025 = 9509^2 + 7855^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1521221062 = 46282270267750472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (152122109) 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 3 ways as a sum of consecutive naturals, for example, 10916 + ... + 20576.

Almost surely, 2152122106 is an apocalyptic number.

152122106 is a deficient number, since it is larger than the sum of its proper divisors (76113658).

152122106 is an equidigital number, since it uses as much as digits as its factorization.

152122106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17536.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 152122106 is about 12333.7790640176. The cubic root of 152122106 is about 533.8231984469.

Adding to 152122106 its reverse (601221251), we get a palindrome (753343357).

The spelling of 152122106 in words is "one hundred fifty-two million, one hundred twenty-two thousand, one hundred six".

Divisors: 1 2 7873 9661 15746 19322 76061053 152122106