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404250044 = 2211311092719
BaseRepresentation
bin11000000110000…
…101110110111100
31001011200000210212
4120012011312330
51311442000134
6104040251552
713006032362
oct3006056674
91034600725
10404250044
11198209050
12b3470bb8
136599bc13
143b98d632
1525752bce
hex18185dbc

404250044 has 48 divisors (see below), whose sum is σ = 804249600. Its totient is φ = 176126400.

The previous prime is 404250043. The next prime is 404250059. The reversal of 404250044 is 440052404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404250043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147317 + ... + 150035.

It is an arithmetic number, because the mean of its divisors is an integer number (16755200).

Almost surely, 2404250044 is an apocalyptic number.

404250044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

404250044 is a deficient number, since it is larger than the sum of its proper divisors (399999556).

404250044 is a wasteful number, since it uses less digits than its factorization.

404250044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874 (or 2872 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 404250044 is about 20105.9703570855. The cubic root of 404250044 is about 739.4066609784.

The spelling of 404250044 in words is "four hundred four million, two hundred fifty thousand, forty-four".

Divisors: 1 2 4 11 22 31 44 62 109 124 218 341 436 682 1199 1364 2398 2719 3379 4796 5438 6758 10876 13516 29909 37169 59818 74338 84289 119636 148676 168578 296371 337156 592742 927179 1185484 1854358 3260081 3708716 6520162 9187501 13040324 18375002 36750004 101062511 202125022 404250044