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150390 = 2335557
BaseRepresentation
bin100100101101110110
321122022000
4210231312
514303030
63120130
71164312
oct445566
9248260
10150390
11a2a99
1273046
13535b6
143cb42
152e860
hex24b76

150390 has 32 divisors (see below), whose sum is σ = 401760. Its totient is φ = 40032.

The previous prime is 150383. The next prime is 150401. The reversal of 150390 is 93051.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 8.

It is a zygodrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9 + ... + 548.

It is an arithmetic number, because the mean of its divisors is an integer number (12555).

2150390 is an apocalyptic number.

150390 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 150390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200880).

150390 is an abundant number, since it is smaller than the sum of its proper divisors (251370).

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

150390 is a wasteful number, since it uses less digits than its factorization.

150390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 150390 is about 387.8014956134. The cubic root of 150390 is about 53.1789371459.

The spelling of 150390 in words is "one hundred fifty thousand, three hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 557 1114 1671 2785 3342 5013 5570 8355 10026 15039 16710 25065 30078 50130 75195 150390