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149909050 = 25219157799
BaseRepresentation
bin10001110111101…
…10111000111010
3101110002011120001
420323312320322
5301334042200
622513023214
73500130424
oct1073667072
9343064501
10149909050
117768a985
1242254b0a
13250996a5
1415ca3814
15d26276a
hex8ef6e3a

149909050 has 24 divisors (see below), whose sum is σ = 293508000. Its totient is φ = 56807280.

The previous prime is 149909047. The next prime is 149909063. The reversal of 149909050 is 50909941.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77950 + ... + 79849.

It is an arithmetic number, because the mean of its divisors is an integer number (12229500).

Almost surely, 2149909050 is an apocalyptic number.

149909050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149909050 is a deficient number, since it is larger than the sum of its proper divisors (143598950).

149909050 is a wasteful number, since it uses less digits than its factorization.

149909050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157830 (or 157825 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 149909050 is about 12243.7351327117. The cubic root of 149909050 is about 531.2218753277.

The spelling of 149909050 in words is "one hundred forty-nine million, nine hundred nine thousand, fifty".

Divisors: 1 2 5 10 19 25 38 50 95 190 475 950 157799 315598 788995 1577990 2998181 3944975 5996362 7889950 14990905 29981810 74954525 149909050