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150038650 = 2526149193
BaseRepresentation
bin10001111000101…
…10100001111010
3101110022202100001
420330112201322
5301402214100
622515503214
73501210316
oct1074264172
9343282301
10150038650
1177769293
12422b7b0a
1325113688
1415cd8b46
15d28ad6a
hex8f1687a

150038650 has 24 divisors (see below), whose sum is σ = 283652604. Its totient is φ = 59030400.

The previous prime is 150038641. The next prime is 150038657. The reversal of 150038650 is 56830051.

150038650 is digitally balanced in base 2, 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 6 ways, for example, as 20602521 + 129436129 = 4539^2 + 11377^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150038657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21547 + ... + 27646.

Almost surely, 2150038650 is an apocalyptic number.

150038650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

150038650 is a deficient number, since it is larger than the sum of its proper divisors (133613954).

150038650 is a wasteful number, since it uses less digits than its factorization.

150038650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49266 (or 49261 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 150038650 is about 12249.0264919299. The cubic root of 150038650 is about 531.3749159542.

It can be divided in two parts, 15003 and 8650, that added together give a triangular number (23653 = T217).

The spelling of 150038650 in words is "one hundred fifty million, thirty-eight thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 61 122 305 610 1525 3050 49193 98386 245965 491930 1229825 2459650 3000773 6001546 15003865 30007730 75019325 150038650