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420241434 = 231091993229
BaseRepresentation
bin11001000011000…
…110000000011010
31002021202110212120
4121003012000122
51330040211214
6105411122110
713261664454
oct3103060032
91067673776
10420241434
111a6240678
12b88a3336
13690aa892
143db532d4
1526d60ea9
hex190c601a

420241434 has 32 divisors (see below), whose sum is σ = 852720000. Its totient is φ = 138055104.

The previous prime is 420241427. The next prime is 420241453. The reversal of 420241434 is 434142024.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128532 + ... + 131760.

It is an arithmetic number, because the mean of its divisors is an integer number (26647500).

Almost surely, 2420241434 is an apocalyptic number.

420241434 is an abundant number, since it is smaller than the sum of its proper divisors (432478566).

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

420241434 is a wasteful number, since it uses less digits than its factorization.

420241434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 420241434 is about 20499.7910721061. The cubic root of 420241434 is about 749.0307087278.

Adding to 420241434 its reverse (434142024), we get a palindrome (854383458).

The spelling of 420241434 in words is "four hundred twenty million, two hundred forty-one thousand, four hundred thirty-four".

Divisors: 1 2 3 6 109 199 218 327 398 597 654 1194 3229 6458 9687 19374 21691 43382 65073 130146 351961 642571 703922 1055883 1285142 1927713 2111766 3855426 70040239 140080478 210120717 420241434