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401261303 = 3179163847
BaseRepresentation
bin10111111010101…
…100001011110111
31000222001012000202
4113322230023313
51310210330203
6103452231115
712641444012
oct2772541367
91028035022
10401261303
11196557613
12b246b49b
1365193731
143b412379
1525362388
hex17eac2f7

401261303 has 8 divisors (see below), whose sum is σ = 419450880. Its totient is φ = 383399640.

The previous prime is 401261293. The next prime is 401261327. The reversal of 401261303 is 303162104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 401261303 - 26 = 401261239 is a prime.

It is a super-2 number, since 2×4012613032 = 322021266570515618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401261803) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 79475 + ... + 84372.

It is an arithmetic number, because the mean of its divisors is an integer number (52431360).

Almost surely, 2401261303 is an apocalyptic number.

401261303 is a deficient number, since it is larger than the sum of its proper divisors (18189577).

401261303 is a wasteful number, since it uses less digits than its factorization.

401261303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163957.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 401261303 is about 20031.5077565320. The cubic root of 401261303 is about 737.5799338047.

The spelling of 401261303 in words is "four hundred one million, two hundred sixty-one thousand, three hundred three".