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4976021 = 17927799
BaseRepresentation
bin10010111110110110010101
3100100210211002
4102332312111
52233213041
6254353045
760203231
oct22766625
910323732
104976021
112899616
1217bb785
131052bbb
149375c1
1568459b
hex4bed95

4976021 has 4 divisors (see below), whose sum is σ = 5004000. Its totient is φ = 4948044.

The previous prime is 4976017. The next prime is 4976029. The reversal of 4976021 is 1206794.

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 4976021 - 22 = 4976017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4976029) 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, 13721 + ... + 14078.

It is an arithmetic number, because the mean of its divisors is an integer number (1251000).

Almost surely, 24976021 is an apocalyptic number.

It is an amenable number.

4976021 is a deficient number, since it is larger than the sum of its proper divisors (27979).

4976021 is a wasteful number, since it uses less digits than its factorization.

4976021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27978.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 4976021 is about 2230.6996660241. The cubic root of 4976021 is about 170.7237997567.

The spelling of 4976021 in words is "four million, nine hundred seventy-six thousand, twenty-one".

Divisors: 1 179 27799 4976021