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401430430 = 25191210173
BaseRepresentation
bin10111111011010…
…101011110011110
31000222100210000201
4113323111132132
51310231233210
6103500014114
712643050052
oct2773253636
91028323021
10401430430
11196662695
12b253133a
13652226cb
143b457c62
152539753a
hex17ed579e

401430430 has 16 divisors (see below), whose sum is σ = 726361344. Its totient is φ = 159730720.

The previous prime is 401430397. The next prime is 401430451. The reversal of 401430430 is 34034104.

It is a super-2 number, since 2×4014304302 = 322292780259969800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401430398 and 401430407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103177 + ... + 106996.

It is an arithmetic number, because the mean of its divisors is an integer number (45397584).

Almost surely, 2401430430 is an apocalyptic number.

401430430 is a deficient number, since it is larger than the sum of its proper divisors (324930914).

401430430 is a wasteful number, since it uses less digits than its factorization.

401430430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210371.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 401430430 is about 20035.7288362565. The cubic root of 401430430 is about 737.6835463871.

Adding to 401430430 its reverse (34034104), we get a palindrome (435464534).

The spelling of 401430430 in words is "four hundred one million, four hundred thirty thousand, four hundred thirty".