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2103225 = 35229967
BaseRepresentation
bin1000000001011110111001
310221212002020
420001132321
51014300400
6113025053
723606565
oct10013671
93855066
102103225
111207203
12855189
13588417
143ca6a5
152b82a0
hex2017b9

2103225 has 24 divisors (see below), whose sum is σ = 3600960. Its totient is φ = 1081920.

The previous prime is 2103193. The next prime is 2103229. The reversal of 2103225 is 5223012.

It is not a de Polignac number, because 2103225 - 25 = 2103193 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (2103229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1692 + ... + 2658.

It is an arithmetic number, because the mean of its divisors is an integer number (150040).

22103225 is an apocalyptic number.

2103225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2103225 is a deficient number, since it is larger than the sum of its proper divisors (1497735).

2103225 is a wasteful number, since it uses less digits than its factorization.

2103225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009 (or 1004 counting only the distinct ones).

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

The square root of 2103225 is about 1450.2499784520. The cubic root of 2103225 is about 128.1234364275.

Adding to 2103225 its reverse (5223012), we get a palindrome (7326237).

The spelling of 2103225 in words is "two million, one hundred three thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 29 75 87 145 435 725 967 2175 2901 4835 14505 24175 28043 72525 84129 140215 420645 701075 2103225