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420031414 = 21126732579
BaseRepresentation
bin11001000010010…
…010101110110110
31002021100210210001
4121002102232312
51330012001124
6105402421514
713260131245
oct3102225666
91067323701
10420031414
111a6107900
12b880189a
13690360ca
143dada95c
1526d1db44
hex19092bb6

420031414 has 24 divisors (see below), whose sum is σ = 693829080. Its totient is φ = 190565760.

The previous prime is 420031411. The next prime is 420031441. The reversal of 420031414 is 414130024.

It is a junction number, because it is equal to n+sod(n) for n = 420031391 and 420031400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420031411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161577 + ... + 164155.

It is an arithmetic number, because the mean of its divisors is an integer number (28909545).

Almost surely, 2420031414 is an apocalyptic number.

420031414 is a deficient number, since it is larger than the sum of its proper divisors (273797666).

420031414 is a wasteful number, since it uses less digits than its factorization.

420031414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276 (or 3265 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 420031414 is about 20494.6679407108. The cubic root of 420031414 is about 748.9059093228.

Adding to 420031414 its reverse (414130024), we get a palindrome (834161438).

The spelling of 420031414 in words is "four hundred twenty million, thirty-one thousand, four hundred fourteen".

Divisors: 1 2 11 22 121 242 673 1346 2579 5158 7403 14806 28369 56738 81433 162866 312059 624118 1735667 3471334 19092337 38184674 210015707 420031414