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442304007 = 3237387811
BaseRepresentation
bin11010010111010…
…000011000000111
31010211021101000220
4122113100120013
51401212212012
6111520035423
713650344025
oct3227203007
91124241026
10442304007
1120773a602
12104162b73
1370833a62
1442a57715
1528c6d08c
hex1a5d0607

442304007 has 16 divisors (see below), whose sum is σ = 623816448. Its totient is φ = 278182080.

The previous prime is 442304003. The next prime is 442304029. The reversal of 442304007 is 700403244.

It is not a de Polignac number, because 442304007 - 22 = 442304003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442304003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38869 + ... + 48942.

It is an arithmetic number, because the mean of its divisors is an integer number (38988528).

Almost surely, 2442304007 is an apocalyptic number.

442304007 is a deficient number, since it is larger than the sum of its proper divisors (181512441).

442304007 is a wasteful number, since it uses less digits than its factorization.

442304007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87910.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 442304007 is about 21031.0248680372. The cubic root of 442304007 is about 761.9157617972.

The spelling of 442304007 in words is "four hundred forty-two million, three hundred four thousand, seven".

Divisors: 1 3 23 69 73 219 1679 5037 87811 263433 2019653 6058959 6410203 19230609 147434669 442304007