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998016404 = 2271115972029
BaseRepresentation
bin111011011111001…
…000010110010100
32120112221111010112
4323133020112110
54020443011104
6243010542152
733505666550
oct7337102624
92515844115
10998016404
11472399550
1223a297958
1312b9c4368
1496792860
155c93d86e
hex3b7c8594

998016404 has 48 divisors (see below), whose sum is σ = 2179927680. Its totient is φ = 388402560.

The previous prime is 998016403. The next prime is 998016431. The reversal of 998016404 is 404610899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998016403) 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, 490862 + ... + 492890.

It is an arithmetic number, because the mean of its divisors is an integer number (45415160).

Almost surely, 2998016404 is an apocalyptic number.

It is an amenable number.

998016404 is an abundant number, since it is smaller than the sum of its proper divisors (1181911276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

998016404 is a wasteful number, since it uses less digits than its factorization.

998016404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648 (or 3646 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 998016404 is about 31591.3976265692. The cubic root of 998016404 is about 999.3383636672.

The spelling of 998016404 in words is "nine hundred ninety-eight million, sixteen thousand, four hundred four".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 1597 2029 3194 4058 6388 8116 11179 14203 17567 22319 22358 28406 35134 44638 44716 56812 70268 89276 122969 156233 245938 312466 491876 624932 3240313 6480626 12961252 22682191 35643443 45364382 71286886 90728764 142573772 249504101 499008202 998016404