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342947958 = 2357157993
BaseRepresentation
bin10100011100001…
…111100001110110
3212220022120011020
4110130033201312
51200243313313
654010322010
711333003163
oct2434174166
9786276136
10342947958
11166648971
1296a29306
13560873b2
143379306a
1520194323
hex1470f876

342947958 has 8 divisors (see below), whose sum is σ = 685895928. Its totient is φ = 114315984.

The previous prime is 342947951. The next prime is 342947981. The reversal of 342947958 is 859749243.

It is a sphenic number, since it is the product of 3 distinct primes.

342947958 is an admirable number.

It is a super-2 number, since 2×3429479582 = 235226603792739528, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 342947958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342947951) 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, 28578991 + ... + 28579002.

It is an arithmetic number, because the mean of its divisors is an integer number (85736991).

Almost surely, 2342947958 is an apocalyptic number.

342947958 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

342947958 is a wasteful number, since it uses less digits than its factorization.

342947958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57157998.

The product of its digits is 2177280, while the sum is 51.

The square root of 342947958 is about 18518.8541222183. The cubic root of 342947958 is about 699.9645954883.

The spelling of 342947958 in words is "three hundred forty-two million, nine hundred forty-seven thousand, nine hundred fifty-eight".

Divisors: 1 2 3 6 57157993 114315986 171473979 342947958