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149029650 = 2325271121723
BaseRepresentation
bin10001110001000…
…00001100010010
3101101102111020200
420320200030102
5301122422100
622442120030
73456505530
oct1070401422
9341374220
10149029650
117713a200
1241ab0016
1324b4c333
1415b15150
15d13be00
hex8e20312

149029650 has 432 divisors, whose sum is σ = 555714432. Its totient is φ = 27878400.

The previous prime is 149029591. The next prime is 149029669. The reversal of 149029650 is 56920941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 6479539 + ... + 6479561.

It is an arithmetic number, because the mean of its divisors is an integer number (1286376).

Almost surely, 2149029650 is an apocalyptic number.

149029650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 149029650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277857216).

149029650 is an abundant number, since it is smaller than the sum of its proper divisors (406684782).

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

149029650 is a wasteful number, since it uses less digits than its factorization.

149029650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 149029650 is about 12207.7700666420. The cubic root of 149029650 is about 530.1810820658.

The spelling of 149029650 in words is "one hundred forty-nine million, twenty-nine thousand, six hundred fifty".