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149123050 = 2522982461
BaseRepresentation
bin10001110001101…
…10111111101010
3101101121020100221
420320312333222
5301133414200
622444120254
73460345036
oct1070667752
9341536327
10149123050
11771a339a
1241b3608a
1324b829bb
1415b3b1c6
15d15991a
hex8e36fea

149123050 has 12 divisors (see below), whose sum is σ = 277368966. Its totient is φ = 59649200.

The previous prime is 149123041. The next prime is 149123071. The reversal of 149123050 is 50321941.

It can be written as a sum of positive squares in 3 ways, for example, as 112508449 + 36614601 = 10607^2 + 6051^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1491181 + ... + 1491280.

Almost surely, 2149123050 is an apocalyptic number.

149123050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149123050 is a deficient number, since it is larger than the sum of its proper divisors (128245916).

149123050 is a wasteful number, since it uses less digits than its factorization.

149123050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982473 (or 2982468 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 149123050 is about 12211.5948999301. The cubic root of 149123050 is about 530.2918174615.

Adding to 149123050 its reverse (50321941), we get a palindrome (199444991).

The spelling of 149123050 in words is "one hundred forty-nine million, one hundred twenty-three thousand, fifty".

Divisors: 1 2 5 10 25 50 2982461 5964922 14912305 29824610 74561525 149123050