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3476989 = 12232843
BaseRepresentation
bin1101010000110111111101
320112122112101
431100313331
51342230424
6202305101
741360665
oct15206775
96478471
103476989
111a6534a
1211b8191
139497b9
146671a5
1548a344
hex350dfd

3476989 has 4 divisors (see below), whose sum is σ = 3481056. Its totient is φ = 3472924.

The previous prime is 3476987. The next prime is 3476999. The reversal of 3476989 is 9896743.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3476989 - 21 = 3476987 is a prime.

It is a super-2 number, since 2×34769892 = 24178905012242, which contains 22 as substring.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3476983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199 + ... + 2644.

It is an arithmetic number, because the mean of its divisors is an integer number (870264).

Almost surely, 23476989 is an apocalyptic number.

It is an amenable number.

3476989 is a deficient number, since it is larger than the sum of its proper divisors (4067).

3476989 is a wasteful number, since it uses less digits than its factorization.

3476989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066.

The product of its digits is 326592, while the sum is 46.

The square root of 3476989 is about 1864.6686032644. The cubic root of 3476989 is about 151.4959788641.

It can be divided in two parts, 3476 and 989, that added together give a triangular number (4465 = T94).

The spelling of 3476989 in words is "three million, four hundred seventy-six thousand, nine hundred eighty-nine".

Divisors: 1 1223 2843 3476989