Search a number
-
+
152153 = 712143
BaseRepresentation
bin100101001001011001
321201201022
4211021121
514332103
63132225
71202411
oct451131
9251638
10152153
11a4351
1274075
1354341
143d641
1530138
hex25259

152153 has 4 divisors (see below), whose sum is σ = 154368. Its totient is φ = 149940.

The previous prime is 152147. The next prime is 152183. The reversal of 152153 is 351251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 351251 = 1971783.

It is a cyclic number.

It is not a de Polignac number, because 152153 - 28 = 151897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001 + ... + 1142.

It is an arithmetic number, because the mean of its divisors is an integer number (38592).

2152153 is an apocalyptic number.

152153 is the 209-th centered heptagonal number.

It is an amenable number.

152153 is a deficient number, since it is larger than the sum of its proper divisors (2215).

152153 is an equidigital number, since it uses as much as digits as its factorization.

152153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214.

The product of its digits is 150, while the sum is 17.

The square root of 152153 is about 390.0679427997. The cubic root of 152153 is about 53.3859333492.

The spelling of 152153 in words is "one hundred fifty-two thousand, one hundred fifty-three".

Divisors: 1 71 2143 152153