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349425 = 32521553
BaseRepresentation
bin1010101010011110001
3122202022200
41111103301
542140200
611253413
72653506
oct1252361
9582280
10349425
1121958a
1214a269
13c307b
14914ad
156d800
hex554f1

349425 has 18 divisors (see below), whose sum is σ = 626262. Its totient is φ = 186240.

The previous prime is 349423. The next prime is 349471. The reversal of 349425 is 524943.

It can be written as a sum of positive squares in 3 ways, for example, as 144 + 349281 = 12^2 + 591^2 .

It is not a de Polignac number, because 349425 - 21 = 349423 is a prime.

It is a d-powerful number, because it can be written as 39 + 48 + 49 + 9 + 211 + 5 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 349425.

It is not an unprimeable number, because it can be changed into a prime (349423) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 552 + ... + 1001.

2349425 is an apocalyptic number.

It is an amenable number.

349425 is a deficient number, since it is larger than the sum of its proper divisors (276837).

349425 is a wasteful number, since it uses less digits than its factorization.

349425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569 (or 1561 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 349425 is about 591.1218148571. The cubic root of 349425 is about 70.4343738172.

The spelling of 349425 in words is "three hundred forty-nine thousand, four hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 1553 4659 7765 13977 23295 38825 69885 116475 349425