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444969 = 32721009
BaseRepresentation
bin1101100101000101001
3211121101100
41230220221
5103214334
613312013
73532200
oct1545051
9747340
10444969
11284348
12195609
131276c5
14b8237
158bc99
hex6ca29

444969 has 18 divisors (see below), whose sum is σ = 748410. Its totient is φ = 254016.

The previous prime is 444967. The next prime is 444971. The reversal of 444969 is 969444.

444969 = T42 + T43 + ... + T139.

It is an interprime number because it is at equal distance from previous prime (444967) and next prime (444971).

It can be written as a sum of positive squares in only one way, i.e., 345744 + 99225 = 588^2 + 315^2 .

It is not a de Polignac number, because 444969 - 21 = 444967 is a prime.

It is a super-2 number, since 2×4449692 = 395994821922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (444967) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 64 + ... + 945.

2444969 is an apocalyptic number.

444969 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

444969 is a deficient number, since it is larger than the sum of its proper divisors (303441).

444969 is a wasteful number, since it uses less digits than its factorization.

444969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029 (or 1019 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 444969 is about 667.0599673193. The cubic root of 444969 is about 76.3442943437.

The spelling of 444969 in words is "four hundred forty-four thousand, nine hundred sixty-nine".

Divisors: 1 3 7 9 21 49 63 147 441 1009 3027 7063 9081 21189 49441 63567 148323 444969