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420041365 = 5292896837
BaseRepresentation
bin11001000010010…
…101001010010101
31002021101022102121
4121002111022111
51330012310430
6105402535541
713260202252
oct3102251225
91067338377
10420041365
111a6114327
12b88075b1
136903a7b3
143db00429
1526d21a7a
hex19095295

420041365 has 8 divisors (see below), whose sum is σ = 521430840. Its totient is φ = 324445632.

The previous prime is 420041357. The next prime is 420041399. The reversal of 420041365 is 563140024.

It can be written as a sum of positive squares in 4 ways, for example, as 1347921 + 418693444 = 1161^2 + 20462^2 .

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 420041365 - 23 = 420041357 is a prime.

It is a super-2 number, since 2×4200413652 = 352869496622126450, which contains 22 as substring.

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, 1448274 + ... + 1448563.

It is an arithmetic number, because the mean of its divisors is an integer number (65178855).

Almost surely, 2420041365 is an apocalyptic number.

It is an amenable number.

420041365 is a deficient number, since it is larger than the sum of its proper divisors (101389475).

420041365 is a wasteful number, since it uses less digits than its factorization.

420041365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896871.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 420041365 is about 20494.9107097347. The cubic root of 420041365 is about 748.9118234073.

Adding to 420041365 its reverse (563140024), we get a palindrome (983181389).

The spelling of 420041365 in words is "four hundred twenty million, forty-one thousand, three hundred sixty-five".

Divisors: 1 5 29 145 2896837 14484185 84008273 420041365