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442762427 = 2572816131
BaseRepresentation
bin11010011001000…
…000010010111011
31010212010122212102
4122121000102323
51401321344202
6111533534015
713654263362
oct3231002273
91125118772
10442762427
11207a22a68
1210434430b
1370964603
1442b367d9
1528d0dd02
hex1a6404bb

442762427 has 8 divisors (see below), whose sum is σ = 446139792. Its totient is φ = 439398400.

The previous prime is 442762423. The next prime is 442762471. The reversal of 442762427 is 724267244.

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 442762427 - 22 = 442762423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442762423) 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 7 ways as a sum of consecutive naturals, for example, 69152 + ... + 75282.

It is an arithmetic number, because the mean of its divisors is an integer number (55767474).

Almost surely, 2442762427 is an apocalyptic number.

442762427 is a deficient number, since it is larger than the sum of its proper divisors (3377365).

442762427 is a wasteful number, since it uses less digits than its factorization.

442762427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6669.

The product of its digits is 150528, while the sum is 38.

The square root of 442762427 is about 21041.9207060572. The cubic root of 442762427 is about 762.1788966694.

The spelling of 442762427 in words is "four hundred forty-two million, seven hundred sixty-two thousand, four hundred twenty-seven".

Divisors: 1 257 281 6131 72217 1575667 1722811 442762427