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442773001 = 11210335527
BaseRepresentation
bin11010011001000…
…010111000001001
31010212011012101001
4122121002320021
51401322214001
6111534055001
713654336246
oct3231027011
91125135331
10442773001
11207a2aa00
1210434a461
1370969378
1442b3a5cd
1528d12001
hex1a642e09

442773001 has 12 divisors (see below), whose sum is σ = 491423296. Its totient is φ = 398601720.

The previous prime is 442772999. The next prime is 442773011. The reversal of 442773001 is 100377244.

It is not a de Polignac number, because 442773001 - 21 = 442772999 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442773011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5301 + ... + 30226.

Almost surely, 2442773001 is an apocalyptic number.

It is an amenable number.

442773001 is a deficient number, since it is larger than the sum of its proper divisors (48650295).

442773001 is a wasteful number, since it uses less digits than its factorization.

442773001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35652 (or 35641 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 442773001 is about 21042.1719648899. The cubic root of 442773001 is about 762.1849640432.

It can be divided in two parts, 44277 and 3001, that added together give a triangular number (47278 = T307).

The spelling of 442773001 in words is "four hundred forty-two million, seven hundred seventy-three thousand, one".

Divisors: 1 11 103 121 1133 12463 35527 390797 3659281 4298767 40252091 442773001