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342304225 = 5254125309
BaseRepresentation
bin10100011001110…
…010010111100001
3212212002212010021
4110121302113201
51200112213400
653544433441
711324352334
oct2431622741
9785085107
10342304225
1116624925a
1296778881
1355bc03a3
143366661b
15200b871a
hex146725e1

342304225 has 12 divisors (see below), whose sum is σ = 425258620. Its totient is φ = 273326400.

The previous prime is 342304223. The next prime is 342304241. The reversal of 342304225 is 522403243.

It can be written as a sum of positive squares in 6 ways, for example, as 6718464 + 335585761 = 2592^2 + 18319^2 .

It is not a de Polignac number, because 342304225 - 21 = 342304223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 342304225.

It is not an unprimeable number, because it can be changed into a prime (342304223) 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, 871 + ... + 26179.

Almost surely, 2342304225 is an apocalyptic number.

It is an amenable number.

342304225 is a deficient number, since it is larger than the sum of its proper divisors (82954395).

342304225 is a wasteful number, since it uses less digits than its factorization.

342304225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25860 (or 25855 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 342304225 is about 18501.4654824962. The cubic root of 342304225 is about 699.5263632718.

Adding to 342304225 its reverse (522403243), we get a palindrome (864707468).

The spelling of 342304225 in words is "three hundred forty-two million, three hundred four thousand, two hundred twenty-five".

Divisors: 1 5 25 541 2705 13525 25309 126545 632725 13692169 68460845 342304225