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442343470 = 2556378569
BaseRepresentation
bin11010010111011…
…010000000101110
31010211100101011111
4122113122000232
51401214442340
6111520542234
713650600052
oct3227320056
91124311144
10442343470
11207767218
1210418197a
13708489ca
1442a67c62
1528c79aea
hex1a5da02e

442343470 has 16 divisors (see below), whose sum is σ = 797642640. Its totient is φ = 176620864.

The previous prime is 442343449. The next prime is 442343471. The reversal of 442343470 is 74343244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442343471) 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, 33655 + ... + 44914.

It is an arithmetic number, because the mean of its divisors is an integer number (49852665).

Almost surely, 2442343470 is an apocalyptic number.

442343470 is a deficient number, since it is larger than the sum of its proper divisors (355299170).

442343470 is a wasteful number, since it uses less digits than its factorization.

442343470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79139.

The product of its (nonzero) digits is 32256, while the sum is 31.

The square root of 442343470 is about 21031.9630562627. The cubic root of 442343470 is about 761.9384208636.

The spelling of 442343470 in words is "four hundred forty-two million, three hundred forty-three thousand, four hundred seventy".

Divisors: 1 2 5 10 563 1126 2815 5630 78569 157138 392845 785690 44234347 88468694 221171735 442343470