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401842430 = 251117239343
BaseRepresentation
bin10111111100111…
…010000011111110
31001000010201011222
4113330322003332
51310332424210
6103512513342
712646414163
oct2774720376
91030121158
10401842430
11196914190
12b26ab852
13653380b2
143b52406a
1525429655
hex17f3a0fe

401842430 has 64 divisors (see below), whose sum is σ = 871907328. Its totient is φ = 131535360.

The previous prime is 401842327. The next prime is 401842471. The reversal of 401842430 is 34248104.

401842430 = T76 + T77 + ... + T1340.

It is a super-2 number, since 2×4018424302 = 322954677096609800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401842430.

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, 38339 + ... + 47681.

It is an arithmetic number, because the mean of its divisors is an integer number (13623552).

Almost surely, 2401842430 is an apocalyptic number.

401842430 is an abundant number, since it is smaller than the sum of its proper divisors (470064898).

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

401842430 is a wasteful number, since it uses less digits than its factorization.

401842430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9401.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 401842430 is about 20046.0078319849. The cubic root of 401842430 is about 737.9358289593.

The spelling of 401842430 in words is "four hundred one million, eight hundred forty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 11 17 22 23 34 46 55 85 110 115 170 187 230 253 374 391 506 782 935 1265 1870 1955 2530 3910 4301 8602 9343 18686 21505 43010 46715 93430 102773 158831 205546 214889 317662 429778 513865 794155 1027730 1074445 1588310 1747141 2148890 2363779 3494282 3653113 4727558 7306226 8735705 11818895 17471410 18265565 23637790 36531130 40184243 80368486 200921215 401842430