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149528544 = 25311374389
BaseRepresentation
bin10001110100110…
…01111111100000
3101102100211121020
420322121333200
5301234403134
622500525440
73463654164
oct1072317740
9342324536
10149528544
1177450010
12420b0880
1324c95439
1415c04ca4
15d1d9b49
hex8e99fe0

149528544 has 192 divisors, whose sum is σ = 455051520. Its totient is φ = 42577920.

The previous prime is 149528473. The next prime is 149528557. The reversal of 149528544 is 445825941.

It is a junction number, because it is equal to n+sod(n) for n = 149528496 and 149528505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1680052 + ... + 1680140.

It is an arithmetic number, because the mean of its divisors is an integer number (2370060).

Almost surely, 2149528544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149528544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227525760).

149528544 is an abundant number, since it is smaller than the sum of its proper divisors (305522976).

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

149528544 is a wasteful number, since it uses less digits than its factorization.

149528544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 185 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 149528544 is about 12228.1864558895. The cubic root of 149528544 is about 530.7720373012.

The spelling of 149528544 in words is "one hundred forty-nine million, five hundred twenty-eight thousand, five hundred forty-four".