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421830046 = 21119174093
BaseRepresentation
bin11001001001001…
…001110110011110
31002101202012001001
4121021021312132
51330442030141
6105505140514
713311332131
oct3111116636
91071665031
10421830046
111a7126180
12b932a73a
13695159a1
1440048218
1527076a31
hex19249d9e

421830046 has 8 divisors (see below), whose sum is σ = 690267384. Its totient is φ = 191740920.

The previous prime is 421830037. The next prime is 421830083. The reversal of 421830046 is 640038124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 421829996 and 421830023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9587025 + ... + 9587068.

It is an arithmetic number, because the mean of its divisors is an integer number (86283423).

Almost surely, 2421830046 is an apocalyptic number.

421830046 is a deficient number, since it is larger than the sum of its proper divisors (268437338).

421830046 is a wasteful number, since it uses less digits than its factorization.

421830046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19174106.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 421830046 is about 20538.5015519633. The cubic root of 421830046 is about 749.9733596463.

The spelling of 421830046 in words is "four hundred twenty-one million, eight hundred thirty thousand, forty-six".

Divisors: 1 2 11 22 19174093 38348186 210915023 421830046