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149801500 = 2253299603
BaseRepresentation
bin10001110110111…
…00101000011100
3101102212201000201
420323130220130
5301322122000
622510433244
73466202032
oct1073345034
9342781021
10149801500
11776170a2
1242202824
132505c754
1415c76552
15d24096a
hex8edca1c

149801500 has 24 divisors (see below), whose sum is σ = 327167568. Its totient is φ = 59920400.

The previous prime is 149801497. The next prime is 149801537. The reversal of 149801500 is 5108941.

It is a happy number.

149801500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149302 + ... + 150301.

It is an arithmetic number, because the mean of its divisors is an integer number (13631982).

Almost surely, 2149801500 is an apocalyptic number.

149801500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149801500 is an abundant number, since it is smaller than the sum of its proper divisors (177366068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149801500 is a wasteful number, since it uses less digits than its factorization.

149801500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299622 (or 299610 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 149801500 is about 12239.3423025913. The cubic root of 149801500 is about 531.0948058786.

The spelling of 149801500 in words is "one hundred forty-nine million, eight hundred one thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 299603 599206 1198412 1498015 2996030 5992060 7490075 14980150 29960300 37450375 74900750 149801500