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4989669 = 31663223
BaseRepresentation
bin10011000010001011100101
3100101111112120
4103002023211
52234132134
6254540153
760261066
oct23021345
910344476
104989669
1128a88a3
121807659
131059189
1493c56d
15688649
hex4c22e5

4989669 has 4 divisors (see below), whose sum is σ = 6652896. Its totient is φ = 3326444.

The previous prime is 4989641. The next prime is 4989697. The reversal of 4989669 is 9669894.

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.

It is an interprime number because it is at equal distance from previous prime (4989641) and next prime (4989697).

It is a cyclic number.

It is not a de Polignac number, because 4989669 - 25 = 4989637 is a prime.

It is a super-2 number, since 2×49896692 = 49793593459122, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4989169) 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, 831609 + ... + 831614.

It is an arithmetic number, because the mean of its divisors is an integer number (1663224).

Almost surely, 24989669 is an apocalyptic number.

It is an amenable number.

4989669 is a deficient number, since it is larger than the sum of its proper divisors (1663227).

4989669 is a wasteful number, since it uses less digits than its factorization.

4989669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663226.

The product of its digits is 839808, while the sum is 51.

The square root of 4989669 is about 2233.7567011651. The cubic root of 4989669 is about 170.8797417177.

The spelling of 4989669 in words is "four million, nine hundred eighty-nine thousand, six hundred sixty-nine".

Divisors: 1 3 1663223 4989669