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442070673 = 31147285023
BaseRepresentation
bin11010010110010…
…111011010010001
31010210211111221220
4122112113122101
51401132230143
6111511035253
713645352532
oct3226273221
91123744856
10442070673
112075a0270
1210406bb29
13707817a5
14429d6689
1528c23d83
hex1a597691

442070673 has 16 divisors (see below), whose sum is σ = 656695296. Its totient is φ = 262220240.

The previous prime is 442070609. The next prime is 442070677. The reversal of 442070673 is 376070244.

It is a cyclic number.

It is not a de Polignac number, because 442070673 - 26 = 442070609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (442070677) 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, 140961 + ... + 144062.

It is an arithmetic number, because the mean of its divisors is an integer number (41043456).

Almost surely, 2442070673 is an apocalyptic number.

It is an amenable number.

442070673 is a deficient number, since it is larger than the sum of its proper divisors (214624623).

442070673 is a wasteful number, since it uses less digits than its factorization.

442070673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285084.

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 442070673 is about 21025.4767603496. The cubic root of 442070673 is about 761.7817573410.

The spelling of 442070673 in words is "four hundred forty-two million, seventy thousand, six hundred seventy-three".

Divisors: 1 3 11 33 47 141 517 1551 285023 855069 3135253 9405759 13396081 40188243 147356891 442070673