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420530046 = 2370088341
BaseRepresentation
bin11001000100001…
…100011101111110
31002022022010202220
4121010030131332
51330123430141
6105421230210
713264306056
oct3104143576
91068263686
10420530046
111a64184a2
12b8a02366
136917c061
143dbca566
1526dbb766
hex1910c77e

420530046 has 8 divisors (see below), whose sum is σ = 841060104. Its totient is φ = 140176680.

The previous prime is 420530039. The next prime is 420530051. The reversal of 420530046 is 640035024.

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

420530046 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 420529998 and 420530025.

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, 35044165 + ... + 35044176.

It is an arithmetic number, because the mean of its divisors is an integer number (105132513).

Almost surely, 2420530046 is an apocalyptic number.

420530046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

420530046 is a wasteful number, since it uses less digits than its factorization.

420530046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70088346.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 420530046 is about 20506.8292527148. The cubic root of 420530046 is about 749.2021417528.

The spelling of 420530046 in words is "four hundred twenty million, five hundred thirty thousand, forty-six".

Divisors: 1 2 3 6 70088341 140176682 210265023 420530046