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448490994 = 23718795683
BaseRepresentation
bin11010101110110…
…110110111110010
31011020220200222120
4122232312313302
51404303202434
6112300415110
714054052630
oct3256666762
91136820876
10448490994
11210185a16
12106247496
1371bbbbb3
14437c8350
1529591349
hex1abb6df2

448490994 has 32 divisors (see below), whose sum is σ = 1025848320. Its totient is φ = 128049552.

The previous prime is 448490983. The next prime is 448491013. The reversal of 448490994 is 499094844.

It is a super-2 number, since 2×4484909942 = 402288343398216072, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76077 + ... + 81759.

It is an arithmetic number, because the mean of its divisors is an integer number (32057760).

Almost surely, 2448490994 is an apocalyptic number.

448490994 is an abundant number, since it is smaller than the sum of its proper divisors (577357326).

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

448490994 is a wasteful number, since it uses less digits than its factorization.

448490994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7574.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 448490994 is about 21177.6059553482. The cubic root of 448490994 is about 765.4519060902.

The spelling of 448490994 in words is "four hundred forty-eight million, four hundred ninety thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 1879 3758 5637 5683 11274 11366 13153 17049 26306 34098 39459 39781 78918 79562 119343 238686 10678357 21356714 32035071 64070142 74748499 149496998 224245497 448490994