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420406050 = 23522802707
BaseRepresentation
bin11001000011101…
…110001100100010
31002022001211200110
4121003232030202
51330110443200
6105414432150
713263251421
oct3103561442
91068054613
10420406050
111a6343319
12b8962656
136913779c
143db972b8
1526d94b50
hex190ee322

420406050 has 24 divisors (see below), whose sum is σ = 1042607376. Its totient is φ = 112108240.

The previous prime is 420406037. The next prime is 420406057. The reversal of 420406050 is 50604024.

It is a happy number.

It is a super-3 number, since 3×4204060503 (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (420406057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1401204 + ... + 1401503.

It is an arithmetic number, because the mean of its divisors is an integer number (43441974).

Almost surely, 2420406050 is an apocalyptic number.

420406050 is an abundant number, since it is smaller than the sum of its proper divisors (622201326).

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

420406050 is a wasteful number, since it uses less digits than its factorization.

420406050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802722 (or 2802717 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 420406050 is about 20503.8057443003. The cubic root of 420406050 is about 749.1284988176.

The spelling of 420406050 in words is "four hundred twenty million, four hundred six thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 2802707 5605414 8408121 14013535 16816242 28027070 42040605 70067675 84081210 140135350 210203025 420406050