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350231421 = 3353330719
BaseRepresentation
bin10100111000000…
…001101101111101
3220102000121012010
4110320001231331
51204124401141
654430401433
711451626601
oct2470015575
9812017163
10350231421
1116a773061
1299360279
1357737637
143472b501
1520b32416
hex14e01b7d

350231421 has 8 divisors (see below), whose sum is σ = 468299520. Its totient is φ = 232825472.

The previous prime is 350231393. The next prime is 350231447. The reversal of 350231421 is 124132053.

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

It is a cyclic number.

It is not a de Polignac number, because 350231421 - 214 = 350215037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350233421) 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, 164301 + ... + 166418.

It is an arithmetic number, because the mean of its divisors is an integer number (58537440).

Almost surely, 2350231421 is an apocalyptic number.

It is an amenable number.

350231421 is a deficient number, since it is larger than the sum of its proper divisors (118068099).

350231421 is a wasteful number, since it uses less digits than its factorization.

350231421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331075.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 350231421 is about 18714.4708982114. The cubic root of 350231421 is about 704.8851621209.

Adding to 350231421 its reverse (124132053), we get a palindrome (474363474).

The spelling of 350231421 in words is "three hundred fifty million, two hundred thirty-one thousand, four hundred twenty-one".

Divisors: 1 3 353 1059 330719 992157 116743807 350231421