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152340 = 22352539
BaseRepresentation
bin100101001100010100
321201222020
4211030110
514333330
63133140
71203066
oct451424
9251866
10152340
11a4501
12741b0
1354456
143d736
1530210
hex25314

152340 has 24 divisors (see below), whose sum is σ = 426720. Its totient is φ = 40608.

The previous prime is 152311. The next prime is 152363. The reversal of 152340 is 43251.

152340 = T121 + T122 + ... + T138.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1210 + ... + 1329.

It is an arithmetic number, because the mean of its divisors is an integer number (17780).

2152340 is an apocalyptic number.

152340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152340 is an abundant number, since it is smaller than the sum of its proper divisors (274380).

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

152340 is a wasteful number, since it uses less digits than its factorization.

152340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551 (or 2549 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 152340 is about 390.3075710257. The cubic root of 152340 is about 53.4077952962.

Adding to 152340 its reverse (43251), we get a palindrome (195591).

The spelling of 152340 in words is "one hundred fifty-two thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2539 5078 7617 10156 12695 15234 25390 30468 38085 50780 76170 152340