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401320092 = 22333443341
BaseRepresentation
bin10111111010111…
…010100010011100
31000222011011200010
4113322322202130
51310214220332
6103453403220
712642110265
oct2772724234
91028134603
10401320092
111965977a8
12b2499510
13651b4414
143b42996c
15253749cc
hex17eba89c

401320092 has 12 divisors (see below), whose sum is σ = 936413576. Its totient is φ = 133773360.

The previous prime is 401320069. The next prime is 401320111. The reversal of 401320092 is 290023104.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×4013200922 = 322115632485776928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16721659 + ... + 16721682.

Almost surely, 2401320092 is an apocalyptic number.

It is an amenable number.

401320092 is an abundant number, since it is smaller than the sum of its proper divisors (535093484).

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

401320092 is a wasteful number, since it uses less digits than its factorization.

401320092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33443348 (or 33443346 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 401320092 is about 20032.9751160430. The cubic root of 401320092 is about 737.6159531176.

Adding to 401320092 its reverse (290023104), we get a palindrome (691343196).

The spelling of 401320092 in words is "four hundred one million, three hundred twenty thousand, ninety-two".

Divisors: 1 2 3 4 6 12 33443341 66886682 100330023 133773364 200660046 401320092