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420222124 = 22767223999
BaseRepresentation
bin11001000011000…
…001010010101100
31002021201111101101
4121003001102230
51330034101444
6105410452444
713261554250
oct3103012254
91067644341
10420222124
111a6228113
12b8894124
13690a1b5a
143db4a260
1526d5a3d4
hex190c14ac

420222124 has 24 divisors (see below), whose sum is σ = 852992000. Its totient is φ = 177406416.

The previous prime is 420222119. The next prime is 420222137. The reversal of 420222124 is 421222024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110124 + ... + 113875.

Almost surely, 2420222124 is an apocalyptic number.

It is an amenable number.

420222124 is an abundant number, since it is smaller than the sum of its proper divisors (432769876).

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

420222124 is a wasteful number, since it uses less digits than its factorization.

420222124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224077 (or 224075 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 420222124 is about 20499.3200862858. The cubic root of 420222124 is about 749.0192359542.

Adding to 420222124 its reverse (421222024), we get a palindrome (841444148).

The spelling of 420222124 in words is "four hundred twenty million, two hundred twenty-two thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 28 67 134 268 469 938 1876 223999 447998 895996 1567993 3135986 6271972 15007933 30015866 60031732 105055531 210111062 420222124