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152205 = 3573139
BaseRepresentation
bin100101001010001101
321201210020
4211022031
514332310
63132353
71202514
oct451215
9251706
10152205
11a4399
12740b9
1354381
143d67b
1530170
hex2528d

152205 has 16 divisors (see below), whose sum is σ = 248640. Its totient is φ = 79488.

The previous prime is 152203. The next prime is 152213. The reversal of 152205 is 502251.

It is not a de Polignac number, because 152205 - 21 = 152203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1026 + ... + 1164.

It is an arithmetic number, because the mean of its divisors is an integer number (15540).

2152205 is an apocalyptic number.

152205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

152205 is a deficient number, since it is larger than the sum of its proper divisors (96435).

152205 is a wasteful number, since it uses less digits than its factorization.

152205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 152205 is about 390.1345921602. The cubic root of 152205 is about 53.3920144043.

Adding to 152205 its reverse (502251), we get a palindrome (654456).

It can be divided in two parts, 15220 and 5, that added together give a triangular number (15225 = T174).

The spelling of 152205 in words is "one hundred fifty-two thousand, two hundred five".

Divisors: 1 3 5 15 73 139 219 365 417 695 1095 2085 10147 30441 50735 152205