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442678029 = 3514728669
BaseRepresentation
bin11010011000101…
…011101100001101
31010211222101002120
4122120223230031
51401311144104
6111532043153
713653462333
oct3230535415
91124871076
10442678029
11207975612
121043034b9
1370935081
1442b13b53
1528ce3cd9
hex1a62bb0d

442678029 has 8 divisors (see below), whose sum is σ = 590372640. Its totient is φ = 295051056.

The previous prime is 442678009. The next prime is 442678039. The reversal of 442678029 is 920876244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442678029 - 29 = 442677517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442678009) 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, 1107 + ... + 29775.

It is an arithmetic number, because the mean of its divisors is an integer number (73796580).

Almost surely, 2442678029 is an apocalyptic number.

It is an amenable number.

442678029 is a deficient number, since it is larger than the sum of its proper divisors (147694611).

442678029 is a wasteful number, since it uses less digits than its factorization.

442678029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33819.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 442678029 is about 21039.9151376616. The cubic root of 442678029 is about 762.1304655332.

The spelling of 442678029 in words is "four hundred forty-two million, six hundred seventy-eight thousand, twenty-nine".

Divisors: 1 3 5147 15441 28669 86007 147559343 442678029