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404449268 = 22101112317
BaseRepresentation
bin11000000110110…
…110011111110100
31001012001011002112
4120012312133310
51312014334033
6104044430152
713010522246
oct3006663764
91035034075
10404449268
111983347a3
12b3548358
1365a3b7c2
143ba02096
1525791c48
hex181b67f4

404449268 has 6 divisors (see below), whose sum is σ = 707786226. Its totient is φ = 202224632.

The previous prime is 404449267. The next prime is 404449277. The reversal of 404449268 is 862944404.

It can be written as a sum of positive squares in only one way, i.e., 326091364 + 78357904 = 18058^2 + 8852^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404449267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50556155 + ... + 50556162.

It is an arithmetic number, because the mean of its divisors is an integer number (117964371).

Almost surely, 2404449268 is an apocalyptic number.

It is an amenable number.

404449268 is a deficient number, since it is larger than the sum of its proper divisors (303336958).

404449268 is a wasteful number, since it uses less digits than its factorization.

404449268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101112321 (or 101112319 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The square root of 404449268 is about 20110.9240961225. The cubic root of 404449268 is about 739.5281067374.

The spelling of 404449268 in words is "four hundred four million, four hundred forty-nine thousand, two hundred sixty-eight".

Divisors: 1 2 4 101112317 202224634 404449268