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401492384 = 2553236729
BaseRepresentation
bin10111111011100…
…100100110100000
31000222110221000022
4113323210212200
51310240224014
6103501213012
712643425506
oct2773444640
91028427008
10401492384
111966a5197
12b2561168
1365244977
143b472676
15253aaa8e
hex17ee49a0

401492384 has 24 divisors (see below), whose sum is σ = 805355460. Its totient is φ = 196957696.

The previous prime is 401492237. The next prime is 401492407. The reversal of 401492384 is 483294104.

It can be written as a sum of positive squares in 2 ways, for example, as 397603600 + 3888784 = 19940^2 + 1972^2 .

It is a super-2 number, since 2×4014923842 = 322392268820006912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116669 + ... + 120060.

Almost surely, 2401492384 is an apocalyptic number.

It is an amenable number.

401492384 is an abundant number, since it is smaller than the sum of its proper divisors (403863076).

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

401492384 is a wasteful number, since it uses less digits than its factorization.

401492384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236792 (or 236784 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 401492384 is about 20037.2748646117. The cubic root of 401492384 is about 737.7214940961.

The spelling of 401492384 in words is "four hundred one million, four hundred ninety-two thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 32 53 106 212 424 848 1696 236729 473458 946916 1893832 3787664 7575328 12546637 25093274 50186548 100373096 200746192 401492384