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353140 = 22517657
BaseRepresentation
bin1010110001101110100
3122221102021
41112031310
542300030
611322524
73000364
oct1261564
9587367
10353140
11221357
12150444
13c4978
14929a4
156e97a
hex56374

353140 has 12 divisors (see below), whose sum is σ = 741636. Its totient is φ = 141248.

The previous prime is 353137. The next prime is 353147. The reversal of 353140 is 41353.

It can be written as a sum of positive squares in 2 ways, for example, as 80656 + 272484 = 284^2 + 522^2 .

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 353140.

It is not an unprimeable number, because it can be changed into a prime (353147) 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, 8809 + ... + 8848.

It is an arithmetic number, because the mean of its divisors is an integer number (61803).

2353140 is an apocalyptic number.

It is an amenable number.

353140 is an abundant number, since it is smaller than the sum of its proper divisors (388496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

353140 is a wasteful number, since it uses less digits than its factorization.

353140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17666 (or 17664 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 353140 is about 594.2558371611. The cubic root of 353140 is about 70.6831079976.

Adding to 353140 its reverse (41353), we get a palindrome (394493).

The spelling of 353140 in words is "three hundred fifty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 17657 35314 70628 88285 176570 353140