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342389808 = 24332293461
BaseRepresentation
bin10100011010000…
…111010000110000
3212212021012112000
4110122013100300
51200122433213
653550334000
711325160005
oct2432072060
9785235460
10342389808
111662a7592
12967ba300
1355c20327
14336898ac
15200d3c73
hex14687430

342389808 has 80 divisors (see below), whose sum is σ = 987362400. Its totient is φ = 113598720.

The previous prime is 342389797. The next prime is 342389821. The reversal of 342389808 is 808983243.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 97198 + ... + 100658.

It is an arithmetic number, because the mean of its divisors is an integer number (12342030).

Almost surely, 2342389808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342389808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (493681200).

342389808 is an abundant number, since it is smaller than the sum of its proper divisors (644972592).

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

342389808 is a wasteful number, since it uses less digits than its factorization.

342389808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707 (or 3695 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 342389808 is about 18503.7782087875. The cubic root of 342389808 is about 699.5846570075.

The spelling of 342389808 in words is "three hundred forty-two million, three hundred eighty-nine thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 229 432 458 687 916 1374 1832 2061 2748 3461 3664 4122 5496 6183 6922 8244 10383 10992 12366 13844 16488 20766 24732 27688 31149 32976 41532 49464 55376 62298 83064 93447 98928 124596 166128 186894 249192 373788 498384 747576 792569 1495152 1585138 2377707 3170276 4755414 6340552 7133121 9510828 12681104 14266242 19021656 21399363 28532484 38043312 42798726 57064968 85597452 114129936 171194904 342389808