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342744486 = 237431731097
BaseRepresentation
bin10100011011011…
…101110110100110
3212212221020001020
4110123131312212
51200220310421
654002112010
711331165030
oct2433356646
9785836036
10342744486
1116651a007
129694b606
13560158b6
143373cc50
1520153dc6
hex146ddda6

342744486 has 64 divisors (see below), whose sum is σ = 807003648. Its totient is φ = 95010048.

The previous prime is 342744449. The next prime is 342744487. The reversal of 342744486 is 684447243.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342744487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 311890 + ... + 312986.

It is an arithmetic number, because the mean of its divisors is an integer number (12609432).

Almost surely, 2342744486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342744486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403501824).

342744486 is an abundant number, since it is smaller than the sum of its proper divisors (464259162).

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

342744486 is a wasteful number, since it uses less digits than its factorization.

342744486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325.

The product of its digits is 516096, while the sum is 42.

The square root of 342744486 is about 18513.3596626868. The cubic root of 342744486 is about 699.8261377730.

The spelling of 342744486 in words is "three hundred forty-two million, seven hundred forty-four thousand, four hundred eighty-six".

Divisors: 1 2 3 6 7 14 21 42 43 86 129 173 258 301 346 519 602 903 1038 1097 1211 1806 2194 2422 3291 3633 6582 7266 7439 7679 14878 15358 22317 23037 44634 46074 47171 52073 94342 104146 141513 156219 189781 283026 312438 330197 379562 569343 660394 990591 1138686 1328467 1981182 2656934 3985401 7970802 8160583 16321166 24481749 48963498 57124081 114248162 171372243 342744486