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421214710 = 25742114293
BaseRepresentation
bin11001000110110…
…011100111110110
31002100120220221211
4121012303213312
51330312332320
6105444032034
713303160140
oct3106634766
91070526854
10421214710
111a6845934
12b909261a
136935b897
143dd27c90
1526ea455a
hex191b39f6

421214710 has 32 divisors (see below), whose sum is σ = 868617792. Its totient is φ = 144063360.

The previous prime is 421214687. The next prime is 421214711. The reversal of 421214710 is 17412124.

It is a super-3 number, since 3×4212147103 (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 (421214711) 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 15 ways as a sum of consecutive naturals, for example, 22324 + ... + 36616.

It is an arithmetic number, because the mean of its divisors is an integer number (27144306).

Almost surely, 2421214710 is an apocalyptic number.

421214710 is an abundant number, since it is smaller than the sum of its proper divisors (447403082).

421214710 is a wasteful number, since it uses less digits than its factorization.

421214710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14728.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 421214710 is about 20523.5160243073. The cubic root of 421214710 is about 749.6085127229.

Adding to 421214710 its reverse (17412124), we get a palindrome (438626834).

The spelling of 421214710 in words is "four hundred twenty-one million, two hundred fourteen thousand, seven hundred ten".

Divisors: 1 2 5 7 10 14 35 70 421 842 2105 2947 4210 5894 14293 14735 28586 29470 71465 100051 142930 200102 500255 1000510 6017353 12034706 30086765 42121471 60173530 84242942 210607355 421214710