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442741097 = 1923302163
BaseRepresentation
bin11010011000111…
…011000101101001
31010212002120121102
4122120323011221
51401320203342
6111533251145
713654144241
oct3230730551
91125076542
10442741097
11207a08a37
12104333ab5
13709579a6
1442b2cb21
1528d07832
hex1a63b169

442741097 has 4 divisors (see below), whose sum is σ = 466043280. Its totient is φ = 419438916.

The previous prime is 442741067. The next prime is 442741109. The reversal of 442741097 is 790147244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-442741097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442741097.

It is not an unprimeable number, because it can be changed into a prime (442741067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11651063 + ... + 11651100.

It is an arithmetic number, because the mean of its divisors is an integer number (116510820).

Almost surely, 2442741097 is an apocalyptic number.

It is an amenable number.

442741097 is a deficient number, since it is larger than the sum of its proper divisors (23302183).

442741097 is a wasteful number, since it uses less digits than its factorization.

442741097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23302182.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 442741097 is about 21041.4138545869. The cubic root of 442741097 is about 762.1666571959.

The spelling of 442741097 in words is "four hundred forty-two million, seven hundred forty-one thousand, ninety-seven".

Divisors: 1 19 23302163 442741097