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421242124 = 22641164291
BaseRepresentation
bin11001000110111…
…010010100001100
31002100122022120011
4121012322110030
51330314221444
6105444403004
713303333102
oct3106722414
91070568504
10421242124
111a6864496
12b90a6464
136936b1c4
143dd33c72
1526eac734
hex191ba50c

421242124 has 12 divisors (see below), whose sum is σ = 738328248. Its totient is φ = 210291200.

The previous prime is 421242091. The next prime is 421242131.

421242124 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 421242095 and 421242104.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 79582 + ... + 84709.

It is an arithmetic number, because the mean of its divisors is an integer number (61527354).

Almost surely, 2421242124 is an apocalyptic number.

It is an amenable number.

421242124 is a deficient number, since it is larger than the sum of its proper divisors (317086124).

421242124 is a wasteful number, since it uses less digits than its factorization.

421242124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164936 (or 164934 counting only the distinct ones).

The product of its digits is 1024, while the sum is 22.

The square root of 421242124 is about 20524.1838814604. The cubic root of 421242124 is about 749.6247746763.

The spelling of 421242124 in words is "four hundred twenty-one million, two hundred forty-two thousand, one hundred twenty-four".

Divisors: 1 2 4 641 1282 2564 164291 328582 657164 105310531 210621062 421242124