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350042421 = 3313763897
BaseRepresentation
bin10100110111010…
…011100100110101
3220101122222221010
4110313103210311
51204102324141
654422342433
711450211561
oct2467234465
9811588833
10350042421
1116a654063
129928aa19
135769c5c1
14346bc6a1
1520ae6416
hex14dd3935

350042421 has 8 divisors (see below), whose sum is σ = 481778944. Its totient is φ = 225833760.

The previous prime is 350042411. The next prime is 350042423. The reversal of 350042421 is 124240053.

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

It is not a de Polignac number, because 350042421 - 25 = 350042389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350042423) 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, 1881856 + ... + 1882041.

It is an arithmetic number, because the mean of its divisors is an integer number (60222368).

Almost surely, 2350042421 is an apocalyptic number.

350042421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

350042421 is a deficient number, since it is larger than the sum of its proper divisors (131736523).

350042421 is a wasteful number, since it uses less digits than its factorization.

350042421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3763931.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 350042421 is about 18709.4206484327. The cubic root of 350042421 is about 704.7583438143.

Adding to 350042421 its reverse (124240053), we get a palindrome (474282474).

The spelling of 350042421 in words is "three hundred fifty million, forty-two thousand, four hundred twenty-one".

Divisors: 1 3 31 93 3763897 11291691 116680807 350042421