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149308800 = 27352103151
BaseRepresentation
bin10001110011001…
…00010110000000
3101101221200011120
420321210112000
5301210340200
622452112240
73462050424
oct1071442600
9341850146
10149308800
117730aa03
1242005680
1324c19404
1415b88b84
15d1949a0
hex8e64580

149308800 has 192 divisors, whose sum is σ = 499848960. Its totient is φ = 39168000.

The previous prime is 149308799. The next prime is 149308823. The reversal of 149308800 is 8803941.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 988725 + ... + 988875.

It is an arithmetic number, because the mean of its divisors is an integer number (2603380).

Almost surely, 2149308800 is an apocalyptic number.

149308800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149308800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249924480).

149308800 is an abundant number, since it is smaller than the sum of its proper divisors (350540160).

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

149308800 is a wasteful number, since it uses less digits than its factorization.

149308800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 149308800 is about 12219.1980096895. The cubic root of 149308800 is about 530.5119060281.

The spelling of 149308800 in words is "one hundred forty-nine million, three hundred eight thousand, eight hundred".