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152215 = 574349
BaseRepresentation
bin100101001010010111
321201210121
4211022113
514332330
63132411
71202530
oct451227
9251717
10152215
11a43a8
1274107
135438b
143d687
153017a
hex25297

152215 has 8 divisors (see below), whose sum is σ = 208800. Its totient is φ = 104352.

The previous prime is 152213. The next prime is 152219. The reversal of 152215 is 512251.

152215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 152215 - 21 = 152213 is a prime.

152215 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152213) 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, 2140 + ... + 2209.

It is an arithmetic number, because the mean of its divisors is an integer number (26100).

2152215 is an apocalyptic number.

152215 is a deficient number, since it is larger than the sum of its proper divisors (56585).

152215 is an equidigital number, since it uses as much as digits as its factorization.

152215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361.

The product of its digits is 100, while the sum is 16.

The square root of 152215 is about 390.1474080396. The cubic root of 152215 is about 53.3931836792.

Adding to 152215 its reverse (512251), we get a palindrome (664466).

The spelling of 152215 in words is "one hundred fifty-two thousand, two hundred fifteen".

Divisors: 1 5 7 35 4349 21745 30443 152215