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149400084 = 22367185821
BaseRepresentation
bin10001110011110…
…10101000010100
3101102010022101110
420321322220110
5301221300314
622454055020
73462610521
oct1071725024
9342108343
10149400084
1177372549
124204a470
1324c4bb22
1415bb0148
15d1b1a59
hex8e7aa14

149400084 has 24 divisors (see below), whose sum is σ = 353805088. Its totient is φ = 49056480.

The previous prime is 149400077. The next prime is 149400089. The reversal of 149400084 is 480004941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149400089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92107 + ... + 93714.

Almost surely, 2149400084 is an apocalyptic number.

It is an amenable number.

149400084 is an abundant number, since it is smaller than the sum of its proper divisors (204405004).

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

149400084 is a wasteful number, since it uses less digits than its factorization.

149400084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185895 (or 185893 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 149400084 is about 12222.9327086424. The cubic root of 149400084 is about 530.6199983019.

The spelling of 149400084 in words is "one hundred forty-nine million, four hundred thousand, eighty-four".

Divisors: 1 2 3 4 6 12 67 134 201 268 402 804 185821 371642 557463 743284 1114926 2229852 12450007 24900014 37350021 49800028 74700042 149400084