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442969 = 1771367
BaseRepresentation
bin1101100001001011001
3211111122021
41230021121
5103133334
613254441
73523312
oct1541131
9744567
10442969
1128289a
12194421
13126817
14b7609
158b3b4
hex6c259

442969 has 8 divisors (see below), whose sum is σ = 476928. Its totient is φ = 409920.

The previous prime is 442963. The next prime is 442973. The reversal of 442969 is 969244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442969 - 23 = 442961 is a prime.

It is a super-2 number, since 2×4429692 = 392443069922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1024 + ... + 1390.

It is an arithmetic number, because the mean of its divisors is an integer number (59616).

2442969 is an apocalyptic number.

It is an amenable number.

442969 is a deficient number, since it is larger than the sum of its proper divisors (33959).

442969 is a wasteful number, since it uses less digits than its factorization.

442969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455.

The product of its digits is 15552, while the sum is 34.

The square root of 442969 is about 665.5591634107. The cubic root of 442969 is about 76.2297411018.

The spelling of 442969 in words is "four hundred forty-two thousand, nine hundred sixty-nine".

Divisors: 1 17 71 367 1207 6239 26057 442969