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442101 = 31113397
BaseRepresentation
bin1101011111011110101
3211110110010
41223323311
5103121401
613250433
73520632
oct1537365
9743403
10442101
11282180
12193a19
131262ca
14b7189
158aed6
hex6bef5

442101 has 8 divisors (see below), whose sum is σ = 643104. Its totient is φ = 267920.

The previous prime is 442097. The next prime is 442109. The reversal of 442101 is 101244.

442101 = T278 + T279 + ... + T288.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442101 - 22 = 442097 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442109) 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, 6666 + ... + 6731.

It is an arithmetic number, because the mean of its divisors is an integer number (80388).

2442101 is an apocalyptic number.

It is an amenable number.

442101 is a deficient number, since it is larger than the sum of its proper divisors (201003).

442101 is a wasteful number, since it uses less digits than its factorization.

442101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13411.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 442101 is about 664.9067603807. The cubic root of 442101 is about 76.1799176899.

Adding to 442101 its reverse (101244), we get a palindrome (543345).

It can be divided in two parts, 44 and 2101, that added together give a triangular number (2145 = T65).

The spelling of 442101 in words is "four hundred forty-two thousand, one hundred one", and thus it is an iban number.

Divisors: 1 3 11 33 13397 40191 147367 442101