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342730051 = 443773657
BaseRepresentation
bin10100011011011…
…010010101000011
3212212220111020121
4110123122111003
51200214330201
654001521111
711331104656
oct2433322503
9785814217
10342730051
1116650a184
1296943197
135600c161
143373789d
152014e9a1
hex146da543

342730051 has 4 divisors (see below), whose sum is σ = 343504152. Its totient is φ = 341955952.

The previous prime is 342730039. The next prime is 342730093. The reversal of 342730051 is 150037243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 342730051 - 25 = 342730019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342729998 and 342730025.

It is not an unprimeable number, because it can be changed into a prime (342760051) 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, 386386 + ... + 387271.

It is an arithmetic number, because the mean of its divisors is an integer number (85876038).

Almost surely, 2342730051 is an apocalyptic number.

342730051 is a deficient number, since it is larger than the sum of its proper divisors (774101).

342730051 is an equidigital number, since it uses as much as digits as its factorization.

342730051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774100.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 342730051 is about 18512.9698049773. The cubic root of 342730051 is about 699.8163130274.

Adding to 342730051 its reverse (150037243), we get a palindrome (492767294).

The spelling of 342730051 in words is "three hundred forty-two million, seven hundred thirty thousand, fifty-one".

Divisors: 1 443 773657 342730051