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342131200 = 295226729
BaseRepresentation
bin10100011001001…
…000001000000000
3212211210001202221
4110121020020000
51200041144300
653541020424
711323032025
oct2431101000
9784701687
10342131200
11166140264
12966b4714
1355b5c6c8
143361d54c
152008231a
hex14648200

342131200 has 60 divisors (see below), whose sum is σ = 847688490. Its totient is φ = 136847360.

The previous prime is 342131161. The next prime is 342131203. The reversal of 342131200 is 2131243.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 273174784 + 68956416 = 16528^2 + 8304^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (342131203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 565 + ... + 26164.

Almost surely, 2342131200 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 342131200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423844245).

342131200 is an abundant number, since it is smaller than the sum of its proper divisors (505557290).

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

342131200 is an equidigital number, since it uses as much as digits as its factorization.

342131200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26757 (or 26736 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 342131200 is about 18496.7889105109. The cubic root of 342131200 is about 699.4084798811.

Adding to 342131200 its reverse (2131243), we get a palindrome (344262443).

The spelling of 342131200 in words is "three hundred forty-two million, one hundred thirty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 512 640 800 1280 1600 2560 3200 6400 12800 26729 53458 106916 133645 213832 267290 427664 534580 668225 855328 1069160 1336450 1710656 2138320 2672900 3421312 4276640 5345800 6842624 8553280 10691600 13685248 17106560 21383200 34213120 42766400 68426240 85532800 171065600 342131200