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442680558 = 23312380003
BaseRepresentation
bin11010011000101…
…100010011101110
31010211222111120020
4122120230103232
51401311234213
6111532103010
713653502605
oct3230542356
91124874506
10442680558
11207977501
12104304a66
1370936278
1442b14a3c
1528ce4923
hex1a62c4ee

442680558 has 16 divisors (see below), whose sum is σ = 913921536. Its totient is φ = 142800120.

The previous prime is 442680547. The next prime is 442680559. The reversal of 442680558 is 855086244.

It is a super-3 number, since 3×4426805583 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442680559) 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, 1189816 + ... + 1190187.

It is an arithmetic number, because the mean of its divisors is an integer number (57120096).

Almost surely, 2442680558 is an apocalyptic number.

442680558 is an abundant number, since it is smaller than the sum of its proper divisors (471240978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442680558 is a wasteful number, since it uses less digits than its factorization.

442680558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380039.

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 442680558 is about 21039.9752376280. The cubic root of 442680558 is about 762.1319168697.

The spelling of 442680558 in words is "four hundred forty-two million, six hundred eighty thousand, five hundred fifty-eight".

Divisors: 1 2 3 6 31 62 93 186 2380003 4760006 7140009 14280018 73780093 147560186 221340279 442680558