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405130201 = 772779609
BaseRepresentation
bin11000001001011…
…100101111011001
31001020022202011021
4120021130233121
51312203131301
6104111202441
713016356420
oct3011345731
91036282137
10405130201
1119875a353
12b3816421
1365c19718
143bb3c2b7
15258788a1
hex1825cbd9

405130201 has 8 divisors (see below), whose sum is σ = 463648640. Its totient is φ = 346772448.

The previous prime is 405130181. The next prime is 405130223. The reversal of 405130201 is 102031504.

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

It is a cyclic number.

It is not a de Polignac number, because 405130201 - 25 = 405130169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (405130241) 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, 34716 + ... + 44893.

It is an arithmetic number, because the mean of its divisors is an integer number (57956080).

Almost surely, 2405130201 is an apocalyptic number.

It is an amenable number.

405130201 is a deficient number, since it is larger than the sum of its proper divisors (58518439).

405130201 is an equidigital number, since it uses as much as digits as its factorization.

405130201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80343.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 405130201 is about 20127.8464074029. The cubic root of 405130201 is about 739.9428985645.

Adding to 405130201 its reverse (102031504), we get a palindrome (507161705).

The spelling of 405130201 in words is "four hundred five million, one hundred thirty thousand, two hundred one".

Divisors: 1 7 727 5089 79609 557263 57875743 405130201