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442925073 = 32127479809
BaseRepresentation
bin11010011001101…
…000000000010001
31010212102220222100
4122121220000101
51401342100243
6111541231013
713655541513
oct3231500021
91125386870
10442925073
11208024188
12104402469
13709c0656
1442b79bb3
1528d420d3
hex1a668011

442925073 has 24 divisors (see below), whose sum is σ = 646963200. Its totient is φ = 291985344.

The previous prime is 442925057. The next prime is 442925107. The reversal of 442925073 is 370529244.

It is not a de Polignac number, because 442925073 - 24 = 442925057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442925023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 547093 + ... + 547901.

It is an arithmetic number, because the mean of its divisors is an integer number (26956800).

Almost surely, 2442925073 is an apocalyptic number.

It is an amenable number.

442925073 is a deficient number, since it is larger than the sum of its proper divisors (204038127).

442925073 is a wasteful number, since it uses less digits than its factorization.

442925073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421 (or 1418 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 442925073 is about 21045.7851599792. The cubic root of 442925073 is about 762.2722124561.

The spelling of 442925073 in words is "four hundred forty-two million, nine hundred twenty-five thousand, seventy-three".

Divisors: 1 3 9 127 381 479 809 1143 1437 2427 4311 7281 60833 102743 182499 308229 387511 547497 924687 1162533 3487599 49213897 147641691 442925073