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342444497 = 1282926693
BaseRepresentation
bin10100011010010…
…100100111010001
3212212100222112112
4110122110213101
51200131210442
653551435105
711325505313
oct2432244721
9785328475
10342444497
1116633468a
1296825a95
1355c3c1a5
14336a17b3
15200e5082
hex146949d1

342444497 has 4 divisors (see below), whose sum is σ = 342484020. Its totient is φ = 342404976.

The previous prime is 342444469. The next prime is 342444503. The reversal of 342444497 is 794444243.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 98585041 + 243859456 = 9929^2 + 15616^2 .

It is a cyclic number.

It is not a de Polignac number, because 342444497 - 218 = 342182353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342444407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518 + ... + 26175.

It is an arithmetic number, because the mean of its divisors is an integer number (85621005).

Almost surely, 2342444497 is an apocalyptic number.

It is an amenable number.

342444497 is a deficient number, since it is larger than the sum of its proper divisors (39523).

342444497 is a wasteful number, since it uses less digits than its factorization.

342444497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39522.

The product of its digits is 387072, while the sum is 41.

The square root of 342444497 is about 18505.2559290597. The cubic root of 342444497 is about 699.6219026143.

The spelling of 342444497 in words is "three hundred forty-two million, four hundred forty-four thousand, four hundred ninety-seven".

Divisors: 1 12829 26693 342444497