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430116661 = 132192931149
BaseRepresentation
bin11001101000110…
…000111100110101
31002222100012010201
4121220300330311
51340102213121
6110402520501
713441634302
oct3150607465
91088305121
10430116661
11200876017
12100066131
136b157700
14411a40a9
1527b61e91
hex19a30f35

430116661 has 48 divisors (see below), whose sum is σ = 527040000. Its totient is φ = 349090560.

The previous prime is 430116637. The next prime is 430116671. The reversal of 430116661 is 166611034.

It is not a de Polignac number, because 430116661 - 221 = 428019509 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 (430116671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2886615 + ... + 2886763.

It is an arithmetic number, because the mean of its divisors is an integer number (10980000).

Almost surely, 2430116661 is an apocalyptic number.

It is an amenable number.

430116661 is a deficient number, since it is larger than the sum of its proper divisors (96923339).

430116661 is a wasteful number, since it uses less digits than its factorization.

430116661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 430116661 is about 20739.2541090561. The cubic root of 430116661 is about 754.8524840809.

Adding to 430116661 its reverse (166611034), we get a palindrome (596727695).

The spelling of 430116661 in words is "four hundred thirty million, one hundred sixteen thousand, six hundred sixty-one".

Divisors: 1 13 19 29 31 149 169 247 377 403 551 589 899 1937 2831 3211 4321 4619 4901 5239 7163 7657 11687 17081 25181 36803 56173 60047 82099 87761 93119 99541 133951 151931 222053 478439 730249 780611 1067287 1140893 1741363 2545069 2886689 13874731 14831609 22637719 33085897 430116661