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342130340 = 225192693347
BaseRepresentation
bin10100011001000…
…111111010100100
3212211210000121002
4110121013322210
51200041132330
653541012432
711323026356
oct2431077244
9784700532
10342130340
1116613a652
12966b4118
1355b5c1b6
143361d0d6
1520081e45
hex14647ea4

342130340 has 48 divisors (see below), whose sum is σ = 759326400. Its totient is φ = 129128832.

The previous prime is 342130339. The next prime is 342130357. The reversal of 342130340 is 43031243.

342130340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100547 + ... + 103893.

It is an arithmetic number, because the mean of its divisors is an integer number (15819300).

Almost surely, 2342130340 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 342130340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379663200).

342130340 is an abundant number, since it is smaller than the sum of its proper divisors (417196060).

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

342130340 is a wasteful number, since it uses less digits than its factorization.

342130340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3644 (or 3642 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 342130340 is about 18496.7656632180. The cubic root of 342130340 is about 699.4078938566.

Adding to 342130340 its reverse (43031243), we get a palindrome (385161583).

The spelling of 342130340 in words is "three hundred forty-two million, one hundred thirty thousand, three hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 269 380 538 1076 1345 2690 3347 5111 5380 6694 10222 13388 16735 20444 25555 33470 51110 63593 66940 102220 127186 254372 317965 635930 900343 1271860 1800686 3601372 4501715 9003430 17106517 18006860 34213034 68426068 85532585 171065170 342130340