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404141557 = 823491059
BaseRepresentation
bin11000000101101…
…011010111110101
31001011110111222211
4120011223113311
51311430012212
6104034053421
713005101161
oct3005532765
91034414884
10404141557
11198144596
12b341a271
1365961721
143b961ca1
15257309a7
hex1816b5f5

404141557 has 4 divisors (see below), whose sum is σ = 404633440. Its totient is φ = 403649676.

The previous prime is 404141539. The next prime is 404141587. The reversal of 404141557 is 755141404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404141557 - 27 = 404141429 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 (404141537) 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, 244707 + ... + 246352.

It is an arithmetic number, because the mean of its divisors is an integer number (101158360).

Almost surely, 2404141557 is an apocalyptic number.

It is an amenable number.

404141557 is a deficient number, since it is larger than the sum of its proper divisors (491883).

404141557 is an equidigital number, since it uses as much as digits as its factorization.

404141557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491882.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 404141557 is about 20103.2722958229. The cubic root of 404141557 is about 739.3405111713.

The spelling of 404141557 in words is "four hundred four million, one hundred forty-one thousand, five hundred fifty-seven".

Divisors: 1 823 491059 404141557