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150003 = 3272381
BaseRepresentation
bin100100100111110011
321121202200
4210213303
514300003
63114243
71163220
oct444763
9247680
10150003
11a2777
1272983
1353379
143c947
152e6a3
hex249f3

150003 has 12 divisors (see below), whose sum is σ = 247728. Its totient is φ = 85680.

The previous prime is 150001. The next prime is 150011. The reversal of 150003 is 300051.

It is not a de Polignac number, because 150003 - 21 = 150001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (150001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1128 + ... + 1253.

It is an arithmetic number, because the mean of its divisors is an integer number (20644).

150003 is a Friedman number, since it can be written as 50001*3, using all its digits and the basic arithmetic operations.

2150003 is an apocalyptic number.

150003 is a deficient number, since it is larger than the sum of its proper divisors (97725).

150003 is a wasteful number, since it uses less digits than its factorization.

150003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394 (or 2391 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 9.

The square root of 150003 is about 387.3022075847. The cubic root of 150003 is about 53.1332826763.

Adding to 150003 its reverse (300051), we get a palindrome (450054).

The spelling of 150003 in words is "one hundred fifty thousand, three".

Divisors: 1 3 7 9 21 63 2381 7143 16667 21429 50001 150003