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342818431 = 3767138289
BaseRepresentation
bin10100011011101…
…111111001111111
3212220001222110221
4110123233321333
51200230142211
654003442211
711331623434
oct2433577177
9786058427
10342818431
1116656a61a
1296986367
1356040457
143375bb8b
152016ac71
hex146efe7f

342818431 has 8 divisors (see below), whose sum is σ = 357341360. Its totient is φ = 328572288.

The previous prime is 342818419. The next prime is 342818453. The reversal of 342818431 is 134818243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 342818431 - 29 = 342817919 is a prime.

It is a super-2 number, since 2×3428184312 = 235048953266603522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342818401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66666 + ... + 71623.

It is an arithmetic number, because the mean of its divisors is an integer number (44667670).

Almost surely, 2342818431 is an apocalyptic number.

342818431 is a deficient number, since it is larger than the sum of its proper divisors (14522929).

342818431 is a wasteful number, since it uses less digits than its factorization.

342818431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138393.

The product of its digits is 18432, while the sum is 34.

The square root of 342818431 is about 18515.3566263251. The cubic root of 342818431 is about 699.8764618724.

The spelling of 342818431 in words is "three hundred forty-two million, eight hundred eighteen thousand, four hundred thirty-one".

Divisors: 1 37 67 2479 138289 5116693 9265363 342818431