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421048630 = 2542104863
BaseRepresentation
bin11001000110001…
…011000100110110
31002100021111010201
4121012023010312
51330242024010
6105440311114
713301566012
oct3106130466
91070244121
10421048630
111a6742082
12b901249a
1369301102
143dcc3542
1526e7023a
hex1918b136

421048630 has 8 divisors (see below), whose sum is σ = 757887552. Its totient is φ = 168419448.

The previous prime is 421048619. The next prime is 421048631. The reversal of 421048630 is 36840124.

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

It is a super-3 number, since 3×4210486303 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421048631) 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 3 ways as a sum of consecutive naturals, for example, 21052422 + ... + 21052441.

It is an arithmetic number, because the mean of its divisors is an integer number (94735944).

Almost surely, 2421048630 is an apocalyptic number.

421048630 is a deficient number, since it is larger than the sum of its proper divisors (336838922).

421048630 is a wasteful number, since it uses less digits than its factorization.

421048630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42104870.

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

The square root of 421048630 is about 20519.4695350538. The cubic root of 421048630 is about 749.5099791684.

Adding to 421048630 its reverse (36840124), we get a palindrome (457888754).

The spelling of 421048630 in words is "four hundred twenty-one million, forty-eight thousand, six hundred thirty".

Divisors: 1 2 5 10 42104863 84209726 210524315 421048630