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149143998 = 2388328151
BaseRepresentation
bin10001110001111…
…00000110111110
3101101122022002210
420320330012332
5301140101443
622444401250
73460463103
oct1070740676
9341568083
10149143998
1177208103
1241b46226
1324b8c3b3
1415b44aaa
15d160c33
hex8e3c1be

149143998 has 16 divisors (see below), whose sum is σ = 298636416. Its totient is φ = 49656600.

The previous prime is 149143997. The next prime is 149144011. The reversal of 149143998 is 899341941.

149143998 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149143997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8778 + ... + 19373.

It is an arithmetic number, because the mean of its divisors is an integer number (18664776).

Almost surely, 2149143998 is an apocalyptic number.

149143998 is an abundant number, since it is smaller than the sum of its proper divisors (149492418).

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

149143998 is a wasteful number, since it uses less digits than its factorization.

149143998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29039.

The product of its digits is 279936, while the sum is 48.

The square root of 149143998 is about 12212.4525792324. The cubic root of 149143998 is about 530.3166471416.

The spelling of 149143998 in words is "one hundred forty-nine million, one hundred forty-three thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 883 1766 2649 5298 28151 56302 84453 168906 24857333 49714666 74571999 149143998