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401430414 = 237113172741
BaseRepresentation
bin10111111011010…
…101011110001110
31000222100210000010
4113323111132032
51310231233124
6103500014050
712643050030
oct2773253616
91028323003
10401430414
11196662680
12b2531326
13652226b8
143b457c50
1525397529
hex17ed578e

401430414 has 64 divisors (see below), whose sum is σ = 1004493312. Its totient is φ = 103900800.

The previous prime is 401430397. The next prime is 401430451. The reversal of 401430414 is 414034104.

It is a super-2 number, since 2×4014304142 = 322292754568422792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145084 + ... + 147824.

It is an arithmetic number, because the mean of its divisors is an integer number (15695208).

Almost surely, 2401430414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401430414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502246656).

401430414 is an abundant number, since it is smaller than the sum of its proper divisors (603062898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401430414 is a wasteful number, since it uses less digits than its factorization.

401430414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 401430414 is about 20035.7284369698. The cubic root of 401430414 is about 737.6835365863.

Adding to 401430414 its reverse (414034104), we get a palindrome (815464518).

The spelling of 401430414 in words is "four hundred one million, four hundred thirty thousand, four hundred fourteen".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 317 462 634 951 1902 2219 2741 3487 4438 5482 6657 6974 8223 10461 13314 16446 19187 20922 24409 30151 38374 48818 57561 60302 73227 90453 115122 146454 180906 211057 422114 633171 868897 1266342 1737794 2606691 5213382 6082279 9557867 12164558 18246837 19115734 28673601 36493674 57347202 66905069 133810138 200715207 401430414