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152005 = 5743101
BaseRepresentation
bin100101000111000101
321201111211
4211013011
514331010
63131421
71202110
oct450705
9251454
10152005
11a4227
1273b71
1354259
143d577
153008a
hex251c5

152005 has 16 divisors (see below), whose sum is σ = 215424. Its totient is φ = 100800.

The previous prime is 152003. The next prime is 152017. The reversal of 152005 is 500251.

It is not a de Polignac number, because 152005 - 21 = 152003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152003) 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, 1455 + ... + 1555.

It is an arithmetic number, because the mean of its divisors is an integer number (13464).

2152005 is an apocalyptic number.

It is an amenable number.

152005 is a deficient number, since it is larger than the sum of its proper divisors (63419).

152005 is a wasteful number, since it uses less digits than its factorization.

152005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156.

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

The square root of 152005 is about 389.8781861043. The cubic root of 152005 is about 53.3686181438.

Adding to 152005 its reverse (500251), we get a palindrome (652256).

The spelling of 152005 in words is "one hundred fifty-two thousand, five".

Divisors: 1 5 7 35 43 101 215 301 505 707 1505 3535 4343 21715 30401 152005