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342988 = 22194513
BaseRepresentation
bin1010011101111001100
3122102111021
41103233030
541433423
611203524
72625652
oct1235714
9572437
10342988
11214768
121465a4
13c0169
148cdd2
156b95d
hex53bcc

342988 has 12 divisors (see below), whose sum is σ = 631960. Its totient is φ = 162432.

The previous prime is 342971. The next prime is 342989. The reversal of 342988 is 889243.

It is a d-powerful number, because it can be written as 39 + 45 + 95 + 210 + 82 + 86 .

It is not an unprimeable number, because it can be changed into a prime (342989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2181 + ... + 2332.

342988 is a Friedman number, since it can be written as (9*8-2)^3-8-4, using all its digits and the basic arithmetic operations.

2342988 is an apocalyptic number.

342988 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

342988 is a deficient number, since it is larger than the sum of its proper divisors (288972).

342988 is a wasteful number, since it uses less digits than its factorization.

342988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4536 (or 4534 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 342988 is about 585.6517736676. The cubic root of 342988 is about 69.9991836639. Note that the first 3 decimals are identical.

The spelling of 342988 in words is "three hundred forty-two thousand, nine hundred eighty-eight".

Divisors: 1 2 4 19 38 76 4513 9026 18052 85747 171494 342988