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442012351 = 1143934487
BaseRepresentation
bin11010010110001…
…001001010111111
31010210201112221211
4122112021022333
51401123343401
6111505505251
713645020514
oct3226111277
91123645854
10442012351
11207560470
12104042227
1370761091
14429bd30b
1528c11951
hex1a5892bf

442012351 has 8 divisors (see below), whose sum is σ = 493409664. Its totient is φ = 392484120.

The previous prime is 442012327. The next prime is 442012369. The reversal of 442012351 is 153210244.

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 442012351 - 225 = 408457919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442012301) 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, 466771 + ... + 467716.

It is an arithmetic number, because the mean of its divisors is an integer number (61676208).

Almost surely, 2442012351 is an apocalyptic number.

442012351 is a deficient number, since it is larger than the sum of its proper divisors (51397313).

442012351 is a wasteful number, since it uses less digits than its factorization.

442012351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934541.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 442012351 is about 21024.0897781569. The cubic root of 442012351 is about 761.7482554658.

Adding to 442012351 its reverse (153210244), we get a palindrome (595222595).

The spelling of 442012351 in words is "four hundred forty-two million, twelve thousand, three hundred fifty-one".

Divisors: 1 11 43 473 934487 10279357 40182941 442012351