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149312050 = 2522986241
BaseRepresentation
bin10001110011001…
…01001000110010
3101101221211121221
420321211020302
5301210441200
622452135254
73462063046
oct1071451062
9341854557
10149312050
1177312398
124200752a
1324c1aa34
1415b8a026
15d19591a
hex8e65232

149312050 has 12 divisors (see below), whose sum is σ = 277720506. Its totient is φ = 59724800.

The previous prime is 149312047. The next prime is 149312087. The reversal of 149312050 is 50213941.

It can be written as a sum of positive squares in 3 ways, for example, as 92294449 + 57017601 = 9607^2 + 7551^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1493071 + ... + 1493170.

Almost surely, 2149312050 is an apocalyptic number.

149312050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149312050 is a deficient number, since it is larger than the sum of its proper divisors (128408456).

149312050 is a wasteful number, since it uses less digits than its factorization.

149312050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986253 (or 2986248 counting only the distinct ones).

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

The square root of 149312050 is about 12219.3309964171. The cubic root of 149312050 is about 530.5157552122.

Adding to 149312050 its reverse (50213941), we get a palindrome (199525991).

The spelling of 149312050 in words is "one hundred forty-nine million, three hundred twelve thousand, fifty".

Divisors: 1 2 5 10 25 50 2986241 5972482 14931205 29862410 74656025 149312050