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4765981 = 11433271
BaseRepresentation
bin10010001011100100011101
322222010200211
4102023210131
52210002411
6250052421
755336663
oct22134435
98863624
104765981
112765830
12171a111
13cab40c
148c0c33
15642221
hex48b91d

4765981 has 4 divisors (see below), whose sum is σ = 5199264. Its totient is φ = 4332700.

The previous prime is 4765973. The next prime is 4765987. The reversal of 4765981 is 1895674.

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 a cyclic number.

It is not a de Polignac number, because 4765981 - 23 = 4765973 is a prime.

It is a super-2 number, since 2×47659812 = 45429149784722, which contains 22 as substring.

It is a Duffinian number.

4765981 is a lucky number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4765987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216625 + ... + 216646.

It is an arithmetic number, because the mean of its divisors is an integer number (1299816).

Almost surely, 24765981 is an apocalyptic number.

It is an amenable number.

4765981 is a deficient number, since it is larger than the sum of its proper divisors (433283).

4765981 is a wasteful number, since it uses less digits than its factorization.

4765981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433282.

The product of its digits is 60480, while the sum is 40.

The square root of 4765981 is about 2183.1126860517. The cubic root of 4765981 is about 168.2870776631.

The spelling of 4765981 in words is "four million, seven hundred sixty-five thousand, nine hundred eighty-one".

Divisors: 1 11 433271 4765981