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420224254 = 21911058533
BaseRepresentation
bin11001000011000…
…001110011111110
31002021201121022021
4121003001303332
51330034134004
6105410510354
713261563412
oct3103016376
91067647267
10420224254
111a622977a
12b88953ba
13690a2b08
143db4ad42
1526d5ad54
hex190c1cfe

420224254 has 8 divisors (see below), whose sum is σ = 663512040. Its totient is φ = 199053576.

The previous prime is 420224243. The next prime is 420224263. The reversal of 420224254 is 452422024.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5529229 + ... + 5529304.

It is an arithmetic number, because the mean of its divisors is an integer number (82939005).

Almost surely, 2420224254 is an apocalyptic number.

420224254 is a deficient number, since it is larger than the sum of its proper divisors (243287786).

420224254 is a wasteful number, since it uses less digits than its factorization.

420224254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11058554.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 420224254 is about 20499.3720391626. The cubic root of 420224254 is about 749.0205014819.

Adding to 420224254 its reverse (452422024), we get a palindrome (872646278).

The spelling of 420224254 in words is "four hundred twenty million, two hundred twenty-four thousand, two hundred fifty-four".

Divisors: 1 2 19 38 11058533 22117066 210112127 420224254