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342613987 is a prime number
BaseRepresentation
bin10100011010111…
…101111111100011
3212212200121000221
4110122331333203
51200202121422
653555223511
711330112412
oct2432757743
9785617027
10342613987
1116643aa61
12968a7b97
1355c9b391
1433707479
152012a3c7
hex146bdfe3

342613987 has 2 divisors, whose sum is σ = 342613988. Its totient is φ = 342613986.

The previous prime is 342613967. The next prime is 342614009. The reversal of 342613987 is 789316243.

It is a weak prime.

It is an emirp because it is prime and its reverse (789316243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342613987 - 211 = 342611939 is a prime.

It is not a weakly prime, because it can be changed into another prime (342613967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171306993 + 171306994.

It is an arithmetic number, because the mean of its divisors is an integer number (171306994).

Almost surely, 2342613987 is an apocalyptic number.

342613987 is a deficient number, since it is larger than the sum of its proper divisors (1).

342613987 is an equidigital number, since it uses as much as digits as its factorization.

342613987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 342613987 is about 18509.8348723050. The cubic root of 342613987 is about 699.7373075529.

The spelling of 342613987 in words is "three hundred forty-two million, six hundred thirteen thousand, nine hundred eighty-seven".