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342430424 = 23723492503
BaseRepresentation
bin10100011010010…
…001001011011000
3212212100021020022
4110122101023120
51200130233144
653551250012
711325416300
oct2432211330
9785307208
10342430424
11166325056
1296819908
1355c3596b
143369a600
15200e0cee
hex146912d8

342430424 has 48 divisors (see below), whose sum is σ = 749322000. Its totient is φ = 146276928.

The previous prime is 342430409. The next prime is 342430427. The reversal of 342430424 is 424034243.

It is a junction number, because it is equal to n+sod(n) for n = 342430393 and 342430402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342430427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135557 + ... + 138059.

It is an arithmetic number, because the mean of its divisors is an integer number (15610875).

Almost surely, 2342430424 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 342430424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374661000).

342430424 is an abundant number, since it is smaller than the sum of its proper divisors (406891576).

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

342430424 is a wasteful number, since it uses less digits than its factorization.

342430424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872 (or 2861 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 342430424 is about 18504.8756818305. The cubic root of 342430424 is about 699.6123186632.

Adding to 342430424 its reverse (424034243), we get a palindrome (766464667).

The spelling of 342430424 in words is "three hundred forty-two million, four hundred thirty thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 349 392 698 1396 2443 2503 2792 4886 5006 9772 10012 17101 17521 19544 20024 34202 35042 68404 70084 122647 136808 140168 245294 490588 873547 981176 1747094 3494188 6114829 6988376 12229658 24459316 42803803 48918632 85607606 171215212 342430424