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421018050 = 23522806787
BaseRepresentation
bin11001000110000…
…011100111000010
31002100012221012010
4121012003213002
51330240034200
6105435513350
713301410605
oct3106034702
91070187163
10421018050
111a6721102
12b8bb8856
13692c020b
143dcb633c
1526e66150
hex191839c2

421018050 has 24 divisors (see below), whose sum is σ = 1044125136. Its totient is φ = 112271440.

The previous prime is 421018009. The next prime is 421018063. The reversal of 421018050 is 50810124.

It is a super-3 number, since 3×4210180503 (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1403244 + ... + 1403543.

It is an arithmetic number, because the mean of its divisors is an integer number (43505214).

Almost surely, 2421018050 is an apocalyptic number.

421018050 is an abundant number, since it is smaller than the sum of its proper divisors (623107086).

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

421018050 is a wasteful number, since it uses less digits than its factorization.

421018050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806802 (or 2806797 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 421018050 is about 20518.7243755551. The cubic root of 421018050 is about 749.4918335447.

Adding to 421018050 its reverse (50810124), we get a palindrome (471828174).

The spelling of 421018050 in words is "four hundred twenty-one million, eighteen thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 2806787 5613574 8420361 14033935 16840722 28067870 42101805 70169675 84203610 140339350 210509025 421018050