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142301346 = 231131157443
BaseRepresentation
bin10000111101101…
…01100010100010
3100220202122202020
420132311202202
5242412120341
622042002310
73345353505
oct1036654242
9326678666
10142301346
1173364120
123b7a6396
13236349a5
1414c8313c
15c75d566
hex87b58a2

142301346 has 64 divisors (see below), whose sum is σ = 323260416. Its totient is φ = 41371200.

The previous prime is 142301329. The next prime is 142301351. The reversal of 142301346 is 643103241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321001 + ... + 321443.

It is an arithmetic number, because the mean of its divisors is an integer number (5050944).

Almost surely, 2142301346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142301346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161630208).

142301346 is an abundant number, since it is smaller than the sum of its proper divisors (180959070).

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

142301346 is a wasteful number, since it uses less digits than its factorization.

142301346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 142301346 is about 11929.0127839650. The cubic root of 142301346 is about 522.0791339344.

Adding to 142301346 its reverse (643103241), we get a palindrome (785404587).

It can be divided in two parts, 14230 and 1346, that added together give a triangular number (15576 = T176).

The spelling of 142301346 in words is "one hundred forty-two million, three hundred one thousand, three hundred forty-six".

Divisors: 1 2 3 6 11 22 31 33 62 66 93 157 186 314 341 443 471 682 886 942 1023 1329 1727 2046 2658 3454 4867 4873 5181 9734 9746 10362 13733 14601 14619 27466 29202 29238 41199 53537 69551 82398 107074 139102 151063 160611 208653 302126 321222 417306 453189 765061 906378 1530122 2156081 2295183 4312162 4590366 6468243 12936486 23716891 47433782 71150673 142301346