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442432130 = 2576320459
BaseRepresentation
bin11010010111101…
…111101010000010
31010211111212210012
4122113233222002
51401230312010
6111522504522
713651416410
oct3227575202
91124455705
10442432130
11207817898
12104205142
137087a17a
1442a8c2b0
1528c96005
hex1a5efa82

442432130 has 16 divisors (see below), whose sum is σ = 910146240. Its totient is φ = 151690992.

The previous prime is 442432127. The next prime is 442432141. The reversal of 442432130 is 31234244.

It is a junction number, because it is equal to n+sod(n) for n = 442432096 and 442432105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3160160 + ... + 3160299.

It is an arithmetic number, because the mean of its divisors is an integer number (56884140).

Almost surely, 2442432130 is an apocalyptic number.

442432130 is an abundant number, since it is smaller than the sum of its proper divisors (467714110).

442432130 is a wasteful number, since it uses less digits than its factorization.

442432130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6320473.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 442432130 is about 21034.0706949463. The cubic root of 442432130 is about 761.9893231994.

Adding to 442432130 its reverse (31234244), we get a palindrome (473666374).

The spelling of 442432130 in words is "four hundred forty-two million, four hundred thirty-two thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 6320459 12640918 31602295 44243213 63204590 88486426 221216065 442432130