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401253105 = 35112431837
BaseRepresentation
bin10111111010101…
…010001011110001
31000222000202210010
4113322222023301
51310210044410
6103452125133
712641411061
oct2772521361
91028022703
10401253105
11196551440
12b24667a9
136518ca96
143b40d3a1
152535ec20
hex17eaa2f1

401253105 has 16 divisors (see below), whose sum is σ = 700369344. Its totient is φ = 194546880.

The previous prime is 401253007. The next prime is 401253121. The reversal of 401253105 is 501352104.

It is not a de Polignac number, because 401253105 - 216 = 401187569 is a prime.

It is a super-2 number, since 2×4012531052 = 322008108544282050, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1215754 + ... + 1216083.

It is an arithmetic number, because the mean of its divisors is an integer number (43773084).

Almost surely, 2401253105 is an apocalyptic number.

It is an amenable number.

401253105 is a deficient number, since it is larger than the sum of its proper divisors (299116239).

401253105 is a wasteful number, since it uses less digits than its factorization.

401253105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431856.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 401253105 is about 20031.3031278547. The cubic root of 401253105 is about 737.5749107093.

The spelling of 401253105 in words is "four hundred one million, two hundred fifty-three thousand, one hundred five".

Divisors: 1 3 5 11 15 33 55 165 2431837 7295511 12159185 26750207 36477555 80250621 133751035 401253105