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421051711 = 13916191871
BaseRepresentation
bin11001000110001…
…011110100111111
31002100021122100211
4121012023310333
51330242123321
6105440333251
713301611003
oct3106136477
91070248324
10421051711
111a6744423
12b9014227
1369302632
143dcc4703
1526e710e1
hex1918bd3f

421051711 has 8 divisors (see below), whose sum is σ = 424569600. Its totient is φ = 417541080.

The previous prime is 421051681. The next prime is 421051717. The reversal of 421051711 is 117150124.

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

It is a cyclic number.

It is not a de Polignac number, because 421051711 - 25 = 421051679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421051717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224106 + ... + 225976.

It is an arithmetic number, because the mean of its divisors is an integer number (53071200).

Almost surely, 2421051711 is an apocalyptic number.

421051711 is a deficient number, since it is larger than the sum of its proper divisors (3517889).

421051711 is a wasteful number, since it uses less digits than its factorization.

421051711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3629.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 421051711 is about 20519.5446099566. The cubic root of 421051711 is about 749.5118073299.

The spelling of 421051711 in words is "four hundred twenty-one million, fifty-one thousand, seven hundred eleven".

Divisors: 1 139 1619 1871 225041 260069 3029149 421051711