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442775037 = 3831778213
BaseRepresentation
bin11010011001000…
…011010111111101
31010212011022011110
4122121003113331
51401322300122
6111534112233
713654345215
oct3231032775
91125138143
10442775037
11207a31491
1210434b679
137096a283
1442b3b245
1528d1290c
hex1a6435fd

442775037 has 8 divisors (see below), whose sum is σ = 597479904. Its totient is φ = 291626768.

The previous prime is 442775023. The next prime is 442775071. The reversal of 442775037 is 730577244.

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 442775037 - 28 = 442774781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442774986 and 442775004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442775017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 888858 + ... + 889355.

It is an arithmetic number, because the mean of its divisors is an integer number (74684988).

Almost surely, 2442775037 is an apocalyptic number.

It is an amenable number.

442775037 is a deficient number, since it is larger than the sum of its proper divisors (154704867).

442775037 is a wasteful number, since it uses less digits than its factorization.

442775037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778299.

The product of its (nonzero) digits is 164640, while the sum is 39.

The square root of 442775037 is about 21042.2203438706. The cubic root of 442775037 is about 762.1861322914.

The spelling of 442775037 in words is "four hundred forty-two million, seven hundred seventy-five thousand, thirty-seven".

Divisors: 1 3 83 249 1778213 5334639 147591679 442775037