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442772083 = 1373466567
BaseRepresentation
bin11010011001000…
…010101001110011
31010212011011010001
4122121002221303
51401322201313
6111534050431
713654333465
oct3231025163
91125134101
10442772083
11207a2a246
12104349a17
1370968b20
1442b3a135
1528d11add
hex1a642a73

442772083 has 8 divisors (see below), whose sum is σ = 483364448. Its totient is φ = 403113024.

The previous prime is 442772051. The next prime is 442772093. The reversal of 442772083 is 380277244.

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 442772083 - 25 = 442772051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442772003) 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, 232335 + ... + 234232.

It is an arithmetic number, because the mean of its divisors is an integer number (60420556).

Almost surely, 2442772083 is an apocalyptic number.

442772083 is a deficient number, since it is larger than the sum of its proper divisors (40592365).

442772083 is a wasteful number, since it uses less digits than its factorization.

442772083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466653.

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 442772083 is about 21042.1501515411. The cubic root of 442772083 is about 762.1844372976.

It can be divided in two parts, 44277 and 2083, that added together give a triangular number (46360 = T304).

The spelling of 442772083 in words is "four hundred forty-two million, seven hundred seventy-two thousand, eighty-three".

Divisors: 1 13 73 949 466567 6065371 34059391 442772083