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2030340405 = 353710933347
BaseRepresentation
bin111100100000100…
…1000100100110101
312020111102222102210
41321001020210311
513124231343110
6533245124033
7101212415532
oct17101104465
95214388383
102030340405
1195208a885
12487b59619
1326483b272
14153915d89
15bd3a7520
hex79048935

2030340405 has 32 divisors (see below), whose sum is σ = 3340393344. Its totient is φ = 1052303616.

The previous prime is 2030340397. The next prime is 2030340469. The reversal of 2030340405 is 5040430302.

It is a happy number.

It is not a de Polignac number, because 2030340405 - 23 = 2030340397 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 604942 + ... + 608288.

It is an arithmetic number, because the mean of its divisors is an integer number (104387292).

Almost surely, 22030340405 is an apocalyptic number.

It is an amenable number.

2030340405 is a deficient number, since it is larger than the sum of its proper divisors (1310052939).

2030340405 is a wasteful number, since it uses less digits than its factorization.

2030340405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4485.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 2030340405 is about 45059.2987628525. The cubic root of 2030340405 is about 1266.2601876324.

Adding to 2030340405 its reverse (5040430302), we get a palindrome (7070770707).

The spelling of 2030340405 in words is "two billion, thirty million, three hundred forty thousand, four hundred five".

Divisors: 1 3 5 15 37 111 185 555 1093 3279 3347 5465 10041 16395 16735 40441 50205 121323 123839 202205 371517 606615 619195 1857585 3658271 10974813 18291355 54874065 135356027 406068081 676780135 2030340405