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3803445 = 32584521
BaseRepresentation
bin1110100000100100110101
321011020100100
432200210311
51433202240
6213304313
744220522
oct16404465
97136310
103803445
112168648
121335099
13a32279
14710149
15501e30
hex3a0935

3803445 has 12 divisors (see below), whose sum is σ = 6592716. Its totient is φ = 2028480.

The previous prime is 3803419. The next prime is 3803453. The reversal of 3803445 is 5443083.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 443556 + 3359889 = 666^2 + 1833^2 .

It is not a de Polignac number, because 3803445 - 212 = 3799349 is a prime.

It is a super-4 number, since 4×38034454 (a number of 27 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42216 + ... + 42305.

It is an arithmetic number, because the mean of its divisors is an integer number (549393).

Almost surely, 23803445 is an apocalyptic number.

It is an amenable number.

3803445 is a deficient number, since it is larger than the sum of its proper divisors (2789271).

3803445 is a wasteful number, since it uses less digits than its factorization.

3803445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84532 (or 84529 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 3803445 is about 1950.2422926396. The cubic root of 3803445 is about 156.0962177629.

The spelling of 3803445 in words is "three million, eight hundred three thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 45 84521 253563 422605 760689 1267815 3803445