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420225410 = 2511231631019
BaseRepresentation
bin11001000011000…
…010000110000010
31002021201122220002
4121003002012002
51330034203120
6105410520002
713261566653
oct3103020602
91067648802
10420225410
111a622a630
12b8896002
13690a34b7
143db4b52a
1526d5b375
hex190c2182

420225410 has 64 divisors (see below), whose sum is σ = 867179520. Its totient is φ = 145126080.

The previous prime is 420225389. The next prime is 420225439. The reversal of 420225410 is 14522024.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 411881 + ... + 412899.

It is an arithmetic number, because the mean of its divisors is an integer number (13549680).

Almost surely, 2420225410 is an apocalyptic number.

420225410 is an abundant number, since it is smaller than the sum of its proper divisors (446954110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420225410 is a wasteful number, since it uses less digits than its factorization.

420225410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 420225410 is about 20499.4002351288. The cubic root of 420225410 is about 749.0211883111.

Adding to 420225410 its reverse (14522024), we get a palindrome (434747434).

The spelling of 420225410 in words is "four hundred twenty million, two hundred twenty-five thousand, four hundred ten".

Divisors: 1 2 5 10 11 22 23 46 55 110 115 163 230 253 326 506 815 1019 1265 1630 1793 2038 2530 3586 3749 5095 7498 8965 10190 11209 17930 18745 22418 23437 37490 41239 46874 56045 82478 112090 117185 166097 206195 234370 257807 332194 412390 515614 830485 1289035 1660970 1827067 2578070 3654134 3820231 7640462 9135335 18270670 19101155 38202310 42022541 84045082 210112705 420225410