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430420344 = 23323779747
BaseRepresentation
bin11001101001111…
…011000101111000
31002222220121201020
4121221323011320
51340141422334
6110413222440
713444340544
oct3151730570
91088817636
10430420344
11200a631a2
12100191a20
136b2329c3
1441242a24
1527bc1e49
hex19a7b178

430420344 has 32 divisors (see below), whose sum is σ = 1122837120. Its totient is φ = 137235296.

The previous prime is 430420339. The next prime is 430420351. The reversal of 430420344 is 443024034.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389322 + ... + 390425.

It is an arithmetic number, because the mean of its divisors is an integer number (35088660).

Almost surely, 2430420344 is an apocalyptic number.

It is an amenable number.

430420344 is an abundant number, since it is smaller than the sum of its proper divisors (692416776).

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

430420344 is a wasteful number, since it uses less digits than its factorization.

430420344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779779 (or 779775 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 430420344 is about 20746.5742714309. The cubic root of 430420344 is about 755.0300963106.

Adding to 430420344 its reverse (443024034), we get a palindrome (873444378).

The spelling of 430420344 in words is "four hundred thirty million, four hundred twenty thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 779747 1559494 2339241 3118988 4678482 6237976 9356964 17934181 18713928 35868362 53802543 71736724 107605086 143473448 215210172 430420344