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401050047 = 3133683349
BaseRepresentation
bin10111111001111…
…000100110111111
31000221122110020110
4113321320212333
51310132100142
6103443521103
712636604056
oct2771704677
91027573213
10401050047
11196422922
12b2389193
136511b528
143b39939d
152531e99c
hex17e789bf

401050047 has 4 divisors (see below), whose sum is σ = 534733400. Its totient is φ = 267366696.

The previous prime is 401050003. The next prime is 401050079. The reversal of 401050047 is 740050104.

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

It is not a de Polignac number, because 401050047 - 28 = 401049791 is a prime.

It is a super-2 number, since 2×4010500472 = 321682280397404418, 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 (401050147) 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, 66841672 + ... + 66841677.

It is an arithmetic number, because the mean of its divisors is an integer number (133683350).

Almost surely, 2401050047 is an apocalyptic number.

401050047 is a deficient number, since it is larger than the sum of its proper divisors (133683353).

401050047 is a wasteful number, since it uses less digits than its factorization.

401050047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133683352.

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

The square root of 401050047 is about 20026.2339694711. The cubic root of 401050047 is about 737.4504707521.

The spelling of 401050047 in words is "four hundred one million, fifty thousand, forty-seven".

Divisors: 1 3 133683349 401050047