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4468981 = 11406271
BaseRepresentation
bin10001000011000011110101
322102001021211
4101003003311
52121001411
6235441421
752662046
oct21030365
98361254
104468981
112582680
1215b6271
13c0618a
148448cd
155d4221
hex4430f5

4468981 has 4 divisors (see below), whose sum is σ = 4875264. Its totient is φ = 4062700.

The previous prime is 4468979. The next prime is 4469027. The reversal of 4468981 is 1898644.

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 4468981 - 21 = 4468979 is a prime.

It is a super-2 number, since 2×44689812 = 39943582356722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4466981) 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, 203125 + ... + 203146.

It is an arithmetic number, because the mean of its divisors is an integer number (1218816).

Almost surely, 24468981 is an apocalyptic number.

It is an amenable number.

4468981 is a deficient number, since it is larger than the sum of its proper divisors (406283).

4468981 is a wasteful number, since it uses less digits than its factorization.

4468981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406282.

The product of its digits is 55296, while the sum is 40.

The square root of 4468981 is about 2113.9964522203. The cubic root of 4468981 is about 164.7161449513.

The spelling of 4468981 in words is "four million, four hundred sixty-eight thousand, nine hundred eighty-one".

Divisors: 1 11 406271 4468981