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342815977 = 7229213859
BaseRepresentation
bin10100011011101…
…111010011101001
3212220001212010001
4110123233103221
51200230102402
654003423001
711331613330
oct2433572351
9786055101
10342815977
11166568799
1296984a61
135603c2ba
143375ad17
152016a187
hex146ef4e9

342815977 has 8 divisors (see below), whose sum is σ = 393502400. Its totient is φ = 292557744.

The previous prime is 342815969. The next prime is 342815981. The reversal of 342815977 is 779518243.

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

It is a cyclic number.

It is not a de Polignac number, because 342815977 - 23 = 342815969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342815927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105327 + ... + 108532.

It is an arithmetic number, because the mean of its divisors is an integer number (49187800).

Almost surely, 2342815977 is an apocalyptic number.

It is an amenable number.

342815977 is a deficient number, since it is larger than the sum of its proper divisors (50686423).

342815977 is a wasteful number, since it uses less digits than its factorization.

342815977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214095.

The product of its digits is 423360, while the sum is 46.

The square root of 342815977 is about 18515.2903568915. The cubic root of 342815977 is about 699.8747918912.

The spelling of 342815977 in words is "three hundred forty-two million, eight hundred fifteen thousand, nine hundred seventy-seven".

Divisors: 1 7 229 1603 213859 1497013 48973711 342815977