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404545411 = 1107136541
BaseRepresentation
bin11000000111001…
…101111110000011
31001012020000222101
4120013031332003
51312030423121
6104050451231
713011402454
oct3007157603
91035200871
10404545411
1119839aa56
12b3593b17
1365a734aa
143ba2912b
15257b0491
hex181cdf83

404545411 has 4 divisors (see below), whose sum is σ = 404593024. Its totient is φ = 404497800.

The previous prime is 404545391. The next prime is 404545429. The reversal of 404545411 is 114545404.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 404545411 - 227 = 270327683 is a prime.

It is a super-2 number, since 2×4045454112 = 327313979122317842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404545411.

It is not an unprimeable number, because it can be changed into a prime (404545451) 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, 7200 + ... + 29341.

It is an arithmetic number, because the mean of its divisors is an integer number (101148256).

Almost surely, 2404545411 is an apocalyptic number.

404545411 is a deficient number, since it is larger than the sum of its proper divisors (47613).

404545411 is a wasteful number, since it uses less digits than its factorization.

404545411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47612.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 404545411 is about 20113.3142718946. The cubic root of 404545411 is about 739.5867006686.

The spelling of 404545411 in words is "four hundred four million, five hundred forty-five thousand, four hundred eleven".

Divisors: 1 11071 36541 404545411