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401052207 = 3133684069
BaseRepresentation
bin10111111001111…
…001001000101111
31000221122120012110
4113321321020233
51310132132312
6103443535103
712636613263
oct2771711057
91027576173
10401052207
11196424506
12b238a493
136511c4ca
143b39a0a3
152532043c
hex17e7922f

401052207 has 4 divisors (see below), whose sum is σ = 534736280. Its totient is φ = 267368136.

The previous prime is 401052199. The next prime is 401052217. The reversal of 401052207 is 702250104.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 401052207 - 23 = 401052199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401052217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66842032 + ... + 66842037.

It is an arithmetic number, because the mean of its divisors is an integer number (133684070).

Almost surely, 2401052207 is an apocalyptic number.

401052207 is a deficient number, since it is larger than the sum of its proper divisors (133684073).

401052207 is a wasteful number, since it uses less digits than its factorization.

401052207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133684072.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 401052207 is about 20026.2878986596. The cubic root of 401052207 is about 737.4517946851.

The spelling of 401052207 in words is "four hundred one million, fifty-two thousand, two hundred seven".

Divisors: 1 3 133684069 401052207