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149168984 = 2323899109
BaseRepresentation
bin10001110010000…
…10001101011000
3101101200120101012
420321002031120
5301141401414
622445113052
73460625666
oct1071021530
9341616335
10149168984
1177224958
1241b58788
1324b9a893
1415b4dc36
15d16833e
hex8e42358

149168984 has 32 divisors (see below), whose sum is σ = 295164000. Its totient is φ = 70532352.

The previous prime is 149168983. The next prime is 149168989. The reversal of 149168984 is 489861941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149168983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11822 + ... + 20930.

It is an arithmetic number, because the mean of its divisors is an integer number (9223875).

Almost surely, 2149168984 is an apocalyptic number.

It is an amenable number.

149168984 is a deficient number, since it is larger than the sum of its proper divisors (145995016).

149168984 is a wasteful number, since it uses less digits than its factorization.

149168984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9227 (or 9223 counting only the distinct ones).

The product of its digits is 497664, while the sum is 50.

The square root of 149168984 is about 12213.4755086339. The cubic root of 149168984 is about 530.3462600259.

The spelling of 149168984 in words is "one hundred forty-nine million, one hundred sixty-eight thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 23 46 89 92 178 184 356 712 2047 4094 8188 9109 16376 18218 36436 72872 209507 419014 810701 838028 1621402 1676056 3242804 6485608 18646123 37292246 74584492 149168984