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149347800 = 2335527439
BaseRepresentation
bin10001110011011…
…01110111011000
3101102000122200000
420321231313120
5301213112200
622453013000
73462302220
oct1071556730
9342018600
10149347800
1177337238
1242024160
1324c310a4
1415b99080
15d1a1300
hex8e6ddd8

149347800 has 288 divisors, whose sum is σ = 595795200. Its totient is φ = 34058880.

The previous prime is 149347787. The next prime is 149347819. The reversal of 149347800 is 8743941.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 339981 + ... + 340419.

Almost surely, 2149347800 is an apocalyptic number.

149347800 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 149347800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297897600).

149347800 is an abundant number, since it is smaller than the sum of its proper divisors (446447400).

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

149347800 is a wasteful number, since it uses less digits than its factorization.

149347800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 149347800 is about 12220.7937549081. The cubic root of 149347800 is about 530.5580925515.

The spelling of 149347800 in words is "one hundred forty-nine million, three hundred forty-seven thousand, eight hundred".