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3895029 = 32432781
BaseRepresentation
bin1110110110111011110101
321022212222100
432312323311
51444120104
6215252313
745051525
oct16667365
97285870
103895029
112220436
12137a099
13a64b68
14735685
1551e139
hex3b6ef5

3895029 has 6 divisors (see below), whose sum is σ = 5626166. Its totient is φ = 2596680.

The previous prime is 3894991. The next prime is 3895037. The reversal of 3895029 is 9205983.

It can be written as a sum of positive squares in only one way, i.e., 3132900 + 762129 = 1770^2 + 873^2 .

It is not a de Polignac number, because 3895029 - 213 = 3886837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3894984 and 3895002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3895039) 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, 216382 + ... + 216399.

Almost surely, 23895029 is an apocalyptic number.

It is an amenable number.

3895029 is a deficient number, since it is larger than the sum of its proper divisors (1731137).

3895029 is a wasteful number, since it uses less digits than its factorization.

3895029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432787 (or 432784 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 3895029 is about 1973.5827826570. The cubic root of 3895029 is about 157.3391858200.

The spelling of 3895029 in words is "three million, eight hundred ninety-five thousand, twenty-nine".

Divisors: 1 3 9 432781 1298343 3895029