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442011351 = 31031142907
BaseRepresentation
bin11010010110001…
…000111011010111
31010210201111120210
4122112020323113
51401123330401
6111505500503
713645014555
oct3226107327
91123644523
10442011351
1120755a741
12104041733
13707607a2
14429bcbd5
1528c114d6
hex1a588ed7

442011351 has 8 divisors (see below), whose sum is σ = 589924224. Its totient is φ = 294386360.

The previous prime is 442011347. The next prime is 442011377. The reversal of 442011351 is 153110244.

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 442011351 - 22 = 442011347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442011391) 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, 68361 + ... + 74546.

It is an arithmetic number, because the mean of its divisors is an integer number (73740528).

Almost surely, 2442011351 is an apocalyptic number.

442011351 is a deficient number, since it is larger than the sum of its proper divisors (147912873).

442011351 is a wasteful number, since it uses less digits than its factorization.

442011351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143941.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 442011351 is about 21024.0659959010. The cubic root of 442011351 is about 761.7476810106.

Adding to 442011351 its reverse (153110244), we get a palindrome (595121595).

The spelling of 442011351 in words is "four hundred forty-two million, eleven thousand, three hundred fifty-one".

Divisors: 1 3 1031 3093 142907 428721 147337117 442011351