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442298 = 23743139
BaseRepresentation
bin1101011111110111010
3211110201102
41223332322
5103123143
613251402
73521333
oct1537672
9743642
10442298
1128233a
12193b62
1312641c
14b728a
158b0b8
hex6bfba

442298 has 16 divisors (see below), whose sum is σ = 702240. Its totient is φ = 208656.

The previous prime is 442291. The next prime is 442319. The reversal of 442298 is 892244.

442298 is nontrivially palindromic in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 442298.

It is not an unprimeable number, because it can be changed into a prime (442291) by changing a digit.

442298 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3113 + ... + 3251.

It is an arithmetic number, because the mean of its divisors is an integer number (43890).

2442298 is an apocalyptic number.

442298 is a deficient number, since it is larger than the sum of its proper divisors (259942).

442298 is a wasteful number, since it uses less digits than its factorization.

442298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221.

The product of its digits is 4608, while the sum is 29.

The square root of 442298 is about 665.0548849531. The cubic root of 442298 is about 76.1912312549.

The spelling of 442298 in words is "four hundred forty-two thousand, two hundred ninety-eight".

Divisors: 1 2 37 43 74 86 139 278 1591 3182 5143 5977 10286 11954 221149 442298