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340828481 = 7280117383
BaseRepresentation
bin10100010100001…
…010000101000001
3212202022212210002
4110110022011001
51144223002411
653453045345
711305665020
oct2424120501
9782285702
10340828481
11165430534
1296186855
13557c4776
14333a08b7
151edc633b
hex1450a141

340828481 has 8 divisors (see below), whose sum is σ = 389679744. Its totient is φ = 292017600.

The previous prime is 340828457. The next prime is 340828483. The reversal of 340828481 is 184828043.

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

It is not a de Polignac number, because 340828481 - 210 = 340827457 is a prime.

It is a super-2 number, since 2×3408284812 = 232328106921534722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340828483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10916 + ... + 28298.

It is an arithmetic number, because the mean of its divisors is an integer number (48709968).

Almost surely, 2340828481 is an apocalyptic number.

It is an amenable number.

340828481 is a deficient number, since it is larger than the sum of its proper divisors (48851263).

340828481 is a wasteful number, since it uses less digits than its factorization.

340828481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20191.

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 340828481 is about 18461.5405911858. The cubic root of 340828481 is about 698.5196477649.

The spelling of 340828481 in words is "three hundred forty million, eight hundred twenty-eight thousand, four hundred eighty-one".

Divisors: 1 7 2801 17383 19607 121681 48689783 340828481