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3689090 = 252912721
BaseRepresentation
bin1110000100101010000010
320221102110222
432010222002
51421022330
6211023042
743233236
oct16045202
96842428
103689090
11209a739
12129aa82
139c21c2
146c05c6
154cd0e5
hex384a82

3689090 has 16 divisors (see below), whose sum is σ = 6869880. Its totient is φ = 1424640.

The previous prime is 3689069. The next prime is 3689113. The reversal of 3689090 is 909863.

It can be written as a sum of positive squares in 4 ways, for example, as 3485689 + 203401 = 1867^2 + 451^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3689090.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6071 + ... + 6650.

Almost surely, 23689090 is an apocalyptic number.

3689090 is a deficient number, since it is larger than the sum of its proper divisors (3180790).

3689090 is a wasteful number, since it uses less digits than its factorization.

3689090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12757.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 3689090 is about 1920.7003930858. The cubic root of 3689090 is about 154.5158671471.

The spelling of 3689090 in words is "three million, six hundred eighty-nine thousand, ninety".

Divisors: 1 2 5 10 29 58 145 290 12721 25442 63605 127210 368909 737818 1844545 3689090