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442070707 = 1322615803
BaseRepresentation
bin11010010110010…
…111011010110011
31010210211112000011
4122112113122303
51401132230312
6111511035351
713645352611
oct3226273263
91123745004
10442070707
112075a02a1
1210406bb57
1370781800
14429d66b1
1528c23da7
hex1a5976b3

442070707 has 6 divisors (see below), whose sum is σ = 478692132. Its totient is φ = 408065112.

The previous prime is 442070677. The next prime is 442070719. The reversal of 442070707 is 707070244.

It is not a de Polignac number, because 442070707 - 223 = 433682099 is a prime.

It is a super-3 number, since 3×4420707073 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442070107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1307733 + ... + 1308070.

It is an arithmetic number, because the mean of its divisors is an integer number (79782022).

Almost surely, 2442070707 is an apocalyptic number.

442070707 is a deficient number, since it is larger than the sum of its proper divisors (36621425).

442070707 is a wasteful number, since it uses less digits than its factorization.

442070707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615829 (or 2615816 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 442070707 is about 21025.4775688925. The cubic root of 442070707 is about 761.7817768708.

The spelling of 442070707 in words is "four hundred forty-two million, seventy thousand, seven hundred seven".

Divisors: 1 13 169 2615803 34005439 442070707