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442304043 = 31271160903
BaseRepresentation
bin11010010111010…
…000011000101011
31010211021101002020
4122113100120223
51401212212133
6111520035523
713650344106
oct3227203053
91124241066
10442304043
1120773a635
12104162ba3
1370833a8c
1442a5773d
1528c6d0b3
hex1a5d062b

442304043 has 8 divisors (see below), whose sum is σ = 594382848. Its totient is φ = 292547304.

The previous prime is 442304041. The next prime is 442304069. The reversal of 442304043 is 340403244.

It is a happy number.

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

It is not a de Polignac number, because 442304043 - 21 = 442304041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442304041) 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, 580071 + ... + 580832.

It is an arithmetic number, because the mean of its divisors is an integer number (74297856).

Almost surely, 2442304043 is an apocalyptic number.

442304043 is a deficient number, since it is larger than the sum of its proper divisors (152078805).

442304043 is a wasteful number, since it uses less digits than its factorization.

442304043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161033.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 442304043 is about 21031.0257239156. The cubic root of 442304043 is about 761.9157824685.

Adding to 442304043 its reverse (340403244), we get a palindrome (782707287).

The spelling of 442304043 in words is "four hundred forty-two million, three hundred four thousand, forty-three".

Divisors: 1 3 127 381 1160903 3482709 147434681 442304043