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149999054 = 2239733617
BaseRepresentation
bin10001111000011…
…00110111001110
3101110020202000112
420330030313032
5301344432204
622515000022
73500654012
oct1074146716
9343222015
10149999054
1177741567
1242299012
13250cb64a
1415cc8542
15d27e26e
hex8f0cdce

149999054 has 16 divisors (see below), whose sum is σ = 237208608. Its totient is φ = 70996992.

The previous prime is 149999051. The next prime is 149999071. The reversal of 149999054 is 450999941.

It is a junction number, because it is equal to n+sod(n) for n = 149998993 and 149999011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149999051) 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, 12347 + ... + 21270.

It is an arithmetic number, because the mean of its divisors is an integer number (14825538).

Almost surely, 2149999054 is an apocalyptic number.

149999054 is a deficient number, since it is larger than the sum of its proper divisors (87209554).

149999054 is a wasteful number, since it uses less digits than its factorization.

149999054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33739.

The product of its (nonzero) digits is 524880, while the sum is 50.

The square root of 149999054 is about 12247.4100935667. The cubic root of 149999054 is about 531.3281676167.

The spelling of 149999054 in words is "one hundred forty-nine million, nine hundred ninety-nine thousand, fifty-four".

Divisors: 1 2 23 46 97 194 2231 4462 33617 67234 773191 1546382 3260849 6521698 74999527 149999054