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421113142 = 2443475297
BaseRepresentation
bin11001000110011…
…010110100110110
31002100101202122001
4121012122310312
51330301110032
6105441525514
713302255052
oct3106326466
91070352561
10421113142
111a678659a
12b904389a
1369324598
143dcdcc62
1526e843e7
hex1919ad36

421113142 has 8 divisors (see below), whose sum is σ = 633096936. Its totient is φ = 210080832.

The previous prime is 421113139. The next prime is 421113191. The reversal of 421113142 is 241311124.

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

It is a super-2 number, since 2×4211131422 = 354672556730224328, which contains 22 as substring.

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, 236763 + ... + 238534.

It is an arithmetic number, because the mean of its divisors is an integer number (79137117).

Almost surely, 2421113142 is an apocalyptic number.

421113142 is a deficient number, since it is larger than the sum of its proper divisors (211983794).

421113142 is a wasteful number, since it uses less digits than its factorization.

421113142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475742.

The product of its digits is 192, while the sum is 19.

The square root of 421113142 is about 20521.0414453068. The cubic root of 421113142 is about 749.5482565510.

Adding to 421113142 its reverse (241311124), we get a palindrome (662424266).

The spelling of 421113142 in words is "four hundred twenty-one million, one hundred thirteen thousand, one hundred forty-two".

Divisors: 1 2 443 886 475297 950594 210556571 421113142