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4955689 = 16330403
BaseRepresentation
bin10010111001111000101001
3100022202221001
4102321320221
52232040224
6254115001
760060034
oct22717051
910282831
104955689
112885312
1217aba61
13104687b
1493001b
1567d544
hex4b9e29

4955689 has 4 divisors (see below), whose sum is σ = 4986256. Its totient is φ = 4925124.

The previous prime is 4955647. The next prime is 4955693. The reversal of 4955689 is 9865594.

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 an emirpimes, since its reverse is a distinct semiprime: 9865594 = 24932797.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4955689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4955089) 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, 15039 + ... + 15364.

It is an arithmetic number, because the mean of its divisors is an integer number (1246564).

Almost surely, 24955689 is an apocalyptic number.

It is an amenable number.

4955689 is a deficient number, since it is larger than the sum of its proper divisors (30567).

4955689 is a wasteful number, since it uses less digits than its factorization.

4955689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30566.

The product of its digits is 388800, while the sum is 46.

The square root of 4955689 is about 2226.1376866672. The cubic root of 4955689 is about 170.4909567705.

The spelling of 4955689 in words is "four million, nine hundred fifty-five thousand, six hundred eighty-nine".

Divisors: 1 163 30403 4955689