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430444404 = 2232134122433
BaseRepresentation
bin11001101010000…
…000111101110100
31002222221211201100
4121222000331310
51340143210104
6110413530100
713444500645
oct3152007564
91088854640
10430444404
11200a7a285
121001a3930
136b240940
144124b6cc
1527bc9139
hex19a80f74

430444404 has 72 divisors (see below), whose sum is σ = 1200398472. Its totient is φ = 129208320.

The previous prime is 430444397. The next prime is 430444423. The reversal of 430444404 is 404444034.

It can be written as a sum of positive squares in 4 ways, for example, as 10112400 + 420332004 = 3180^2 + 20502^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7972 + ... + 30404.

It is an arithmetic number, because the mean of its divisors is an integer number (16672201).

Almost surely, 2430444404 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 430444404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (600199236).

430444404 is an abundant number, since it is smaller than the sum of its proper divisors (769954068).

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

430444404 is a wasteful number, since it uses less digits than its factorization.

430444404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22497 (or 22492 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 430444404 is about 20747.1541180953. The cubic root of 430444404 is about 755.0441644852.

Adding to 430444404 its reverse (404444034), we get a palindrome (834888438).

The spelling of 430444404 in words is "four hundred thirty million, four hundred forty-four thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 41 52 78 82 117 123 156 164 234 246 369 468 492 533 738 1066 1476 1599 2132 3198 4797 6396 9594 19188 22433 44866 67299 89732 134598 201897 269196 291629 403794 583258 807588 874887 919753 1166516 1749774 1839506 2624661 2759259 3499548 3679012 5249322 5518518 8277777 10498644 11037036 11956789 16555554 23913578 33111108 35870367 47827156 71740734 107611101 143481468 215222202 430444404