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342435025 = 5237012
BaseRepresentation
bin10100011010010…
…010010011010001
3212212100111112201
4110122102103101
51200130410100
653551323201
711325435562
oct2432222321
9785314481
10342435025
11166328559
1296820501
1355c37a9a
143369c169
15200e236a
hex146924d1

342435025 has 9 divisors (see below), whose sum is σ = 424734193. Its totient is φ = 273874000.

The previous prime is 342435001. The next prime is 342435031. The reversal of 342435025 is 520534243.

The square root of 342435025 is 18505.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 19298449 + 323136576 = 4393^2 + 17976^2 .

It is a de Polignac number, because none of the positive numbers 2k-342435025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342434984 and 342435002.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 90675 + ... + 94375.

Almost surely, 2342435025 is an apocalyptic number.

342435025 is the 18505-th square number.

342435025 is the 9253-rd centered octagonal number.

It is an amenable number.

342435025 is a deficient number, since it is larger than the sum of its proper divisors (82299168).

342435025 is an frugal number, since it uses more digits than its factorization.

342435025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7412 (or 3706 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The cubic root of 342435025 is about 699.6154520510.

Multiplying 342435025 by its product of nonzero digits (14400), we get a square (4931064360000 = 22206002).

Adding to 342435025 its reverse (520534243), we get a palindrome (862969268).

The spelling of 342435025 in words is "three hundred forty-two million, four hundred thirty-five thousand, twenty-five".

Divisors: 1 5 25 3701 18505 92525 13697401 68487005 342435025