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404042227 = 676030481
BaseRepresentation
bin11000000101010…
…011000111110011
31001011021110201221
4120011103013303
51311413322402
6104032005511
713004205451
oct3005230763
91034243657
10404042227
111980869a6
12b3390897
1365928454
143b9379d1
1525711337
hex181531f3

404042227 has 4 divisors (see below), whose sum is σ = 410072776. Its totient is φ = 398011680.

The previous prime is 404042209. The next prime is 404042231. The reversal of 404042227 is 722240404.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 404042227 - 211 = 404040179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404042027) 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, 3015174 + ... + 3015307.

It is an arithmetic number, because the mean of its divisors is an integer number (102518194).

Almost surely, 2404042227 is an apocalyptic number.

404042227 is a deficient number, since it is larger than the sum of its proper divisors (6030549).

404042227 is an equidigital number, since it uses as much as digits as its factorization.

404042227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6030548.

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 404042227 is about 20100.8016506805. The cubic root of 404042227 is about 739.2799344508.

The spelling of 404042227 in words is "four hundred four million, forty-two thousand, two hundred twenty-seven".

Divisors: 1 67 6030481 404042227