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449371272 = 23372674829
BaseRepresentation
bin11010110010001…
…101110010001000
31011022120102111110
4122302031302020
51410014340042
6112331330320
714064410220
oct3262156210
91138512443
10449371272
11210727319
121065b09a0
137213977c
1443977080
15296b709c
hex1ac8dc88

449371272 has 32 divisors (see below), whose sum is σ = 1283918400. Its totient is φ = 128391744.

The previous prime is 449371271. The next prime is 449371289. The reversal of 449371272 is 272173944.

It is a self number, because there is not a number n which added to its sum of digits gives 449371272.

It is not an unprimeable number, because it can be changed into a prime (449371271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337247 + ... + 1337582.

It is an arithmetic number, because the mean of its divisors is an integer number (40122450).

Almost surely, 2449371272 is an apocalyptic number.

449371272 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

449371272 is an abundant number, since it is smaller than the sum of its proper divisors (834547128).

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

449371272 is a wasteful number, since it uses less digits than its factorization.

449371272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674845 (or 2674841 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

The square root of 449371272 is about 21198.3789946307. The cubic root of 449371272 is about 765.9523770178.

The spelling of 449371272 in words is "four hundred forty-nine million, three hundred seventy-one thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 2674829 5349658 8024487 10699316 16048974 18723803 21398632 32097948 37447606 56171409 64195896 74895212 112342818 149790424 224685636 449371272