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401115055 = 51123317087
BaseRepresentation
bin10111111010001…
…000011110101111
31000221202202102011
4113322020132233
51310141140210
6103445142051
712640264435
oct2772103657
91027682364
10401115055
11196467750
12b23ba927
1365141cb3
143b3b4d55
1525333d8a
hex17e887af

401115055 has 16 divisors (see below), whose sum is σ = 547928064. Its totient is φ = 279035680.

The previous prime is 401115047. The next prime is 401115097. The reversal of 401115055 is 550511104.

It is a happy number.

It is not a de Polignac number, because 401115055 - 23 = 401115047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157279 + ... + 159808.

It is an arithmetic number, because the mean of its divisors is an integer number (34245504).

Almost surely, 2401115055 is an apocalyptic number.

401115055 is a deficient number, since it is larger than the sum of its proper divisors (146813009).

401115055 is a wasteful number, since it uses less digits than its factorization.

401115055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317126.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 401115055 is about 20027.8569747240. The cubic root of 401115055 is about 737.4903141503.

Adding to 401115055 its reverse (550511104), we get a palindrome (951626159).

The spelling of 401115055 in words is "four hundred one million, one hundred fifteen thousand, fifty-five".

Divisors: 1 5 11 23 55 115 253 1265 317087 1585435 3487957 7293001 17439785 36465005 80223011 401115055