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420211050 = 235274143227
BaseRepresentation
bin11001000010111…
…110100101101010
31002021200221012020
4121002332211222
51330033223200
6105410325310
713261510050
oct3102764552
91067627166
10420211050
111a621a866
12b8889836
1369099abc
143db461d0
1526d56ea0
hex190be96a

420211050 has 192 divisors, whose sum is σ = 1253919744. Its totient is φ = 91123200.

The previous prime is 420211027. The next prime is 420211061. The reversal of 420211050 is 50112024.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1851037 + ... + 1851263.

It is an arithmetic number, because the mean of its divisors is an integer number (6530832).

Almost surely, 2420211050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420211050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (626959872).

420211050 is an abundant number, since it is smaller than the sum of its proper divisors (833708694).

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

420211050 is a wasteful number, since it uses less digits than its factorization.

420211050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 420211050 is about 20499.0499779868. The cubic root of 420211050 is about 749.0126563292.

Adding to 420211050 its reverse (50112024), we get a palindrome (470323074).

It can be divided in two parts, 42021 and 1050, that added together give a triangular number (43071 = T293).

The spelling of 420211050 in words is "four hundred twenty million, two hundred eleven thousand, fifty".