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342102540 = 2235131074099
BaseRepresentation
bin10100011001000…
…001001000001100
3212211201121110110
4110121001020030
51200034240130
653540240020
711322552333
oct2431011014
9784647413
10342102540
1116612077a
12966a0010
1355b4c650
1433612d1a
1520078ab0
hex1464120c

342102540 has 96 divisors (see below), whose sum is σ = 1041465600. Its totient is φ = 83402496.

The previous prime is 342102521. The next prime is 342102547. The reversal of 342102540 is 45201243.

It is not an unprimeable number, because it can be changed into a prime (342102547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81411 + ... + 85509.

It is an arithmetic number, because the mean of its divisors is an integer number (10848600).

Almost surely, 2342102540 is an apocalyptic number.

342102540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342102540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520732800).

342102540 is an abundant number, since it is smaller than the sum of its proper divisors (699363060).

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

342102540 is a wasteful number, since it uses less digits than its factorization.

342102540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4231 (or 4229 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 342102540 is about 18496.0141652195. The cubic root of 342102540 is about 699.3889497450.

Adding to 342102540 its reverse (45201243), we get a palindrome (387303783).

The spelling of 342102540 in words is "three hundred forty-two million, one hundred two thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 107 130 156 195 214 260 321 390 428 535 642 780 1070 1284 1391 1605 2140 2782 3210 4099 4173 5564 6420 6955 8198 8346 12297 13910 16396 16692 20495 20865 24594 27820 40990 41730 49188 53287 61485 81980 83460 106574 122970 159861 213148 245940 266435 319722 438593 532870 639444 799305 877186 1065740 1315779 1598610 1754372 2192965 2631558 3197220 4385930 5263116 5701709 6578895 8771860 11403418 13157790 17105127 22806836 26315580 28508545 34210254 57017090 68420508 85525635 114034180 171051270 342102540