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421310541 = 317191313319
BaseRepresentation
bin11001000111001…
…011000001001101
31002100202210102010
4121013023001031
51330323414131
6105450051433
713304036421
oct3107130115
91070683363
10421310541
111a6900933
12b9119b79
13693933a2
143dd50b81
1526ec2b46
hex191cb04d

421310541 has 32 divisors (see below), whose sum is σ = 631065600. Its totient is φ = 248451840.

The previous prime is 421310537. The next prime is 421310611. The reversal of 421310541 is 145013124.

It is not a de Polignac number, because 421310541 - 22 = 421310537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421310041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125280 + ... + 128598.

It is an arithmetic number, because the mean of its divisors is an integer number (19720800).

Almost surely, 2421310541 is an apocalyptic number.

It is an amenable number.

421310541 is a deficient number, since it is larger than the sum of its proper divisors (209755059).

421310541 is a wasteful number, since it uses less digits than its factorization.

421310541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3489.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 421310541 is about 20525.8505548491. The cubic root of 421310541 is about 749.6653564849.

Adding to 421310541 its reverse (145013124), we get a palindrome (566323665).

The spelling of 421310541 in words is "four hundred twenty-one million, three hundred ten thousand, five hundred forty-one".

Divisors: 1 3 17 19 51 57 131 323 393 969 2227 2489 3319 6681 7467 9957 42313 56423 63061 126939 169269 189183 434789 1072037 1304367 3216111 7391413 8260991 22174239 24782973 140436847 421310541