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150520 = 2355371
BaseRepresentation
bin100100101111111000
321122110211
4210233320
514304040
63120504
71164556
oct445770
9248424
10150520
11a30a7
1273134
1353686
143cbd6
152e8ea
hex24bf8

150520 has 32 divisors (see below), whose sum is σ = 349920. Its totient is φ = 58240.

The previous prime is 150517. The next prime is 150523. The reversal of 150520 is 25051.

It is an interprime number because it is at equal distance from previous prime (150517) and next prime (150523).

It is a self number, because there is not a number n which added to its sum of digits gives 150520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150523) 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, 2085 + ... + 2155.

It is an arithmetic number, because the mean of its divisors is an integer number (10935).

2150520 is an apocalyptic number.

150520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174960).

150520 is an abundant number, since it is smaller than the sum of its proper divisors (199400).

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

150520 is a wasteful number, since it uses less digits than its factorization.

150520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 150520 is about 387.9690709322. The cubic root of 150520 is about 53.1942556973.

Adding to 150520 its reverse (25051), we get a palindrome (175571).

The spelling of 150520 in words is "one hundred fifty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 53 71 106 142 212 265 284 355 424 530 568 710 1060 1420 2120 2840 3763 7526 15052 18815 30104 37630 75260 150520