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1445696 = 2672461
BaseRepresentation
bin101100000111101000000
32201110010022
411200331000
5332230241
650553012
715200600
oct5407500
92643108
101445696
118a819a
12598768
133b8055
14298c00
151d854b
hex160f40

1445696 has 42 divisors (see below), whose sum is σ = 3344418. Its totient is φ = 618240.

The previous prime is 1445687. The next prime is 1445699. The reversal of 1445696 is 6965441.

It can be written as a sum of positive squares in only one way, i.e., 1132096 + 313600 = 1064^2 + 560^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445699) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2906 + ... + 3366.

It is an arithmetic number, because the mean of its divisors is an integer number (79629).

21445696 is an apocalyptic number.

1445696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1672209).

1445696 is an abundant number, since it is smaller than the sum of its proper divisors (1898722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1445696 is an equidigital number, since it uses as much as digits as its factorization.

1445696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 470 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 1445696 is about 1202.3709910007. The cubic root of 1445696 is about 113.0730203898.

The spelling of 1445696 in words is "one million, four hundred forty-five thousand, six hundred ninety-six".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 196 224 392 448 461 784 922 1568 1844 3136 3227 3688 6454 7376 12908 14752 22589 25816 29504 45178 51632 90356 103264 180712 206528 361424 722848 1445696