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4987841 = 22322367
BaseRepresentation
bin10011000001101111000001
3100101102000212
4103001233001
52234102331
6254523505
760252545
oct23015701
910342025
104987841
1128a7491
121806595
1310583b1
1493ba25
15687d2b
hex4c1bc1

4987841 has 4 divisors (see below), whose sum is σ = 5010432. Its totient is φ = 4965252.

The previous prime is 4987819. The next prime is 4987847. The reversal of 4987841 is 1487894.

It is a happy number.

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: 1487894 = 2743947.

It is a cyclic number.

It is not a de Polignac number, because 4987841 - 222 = 793537 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 (4987847) 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, 10961 + ... + 11406.

It is an arithmetic number, because the mean of its divisors is an integer number (1252608).

Almost surely, 24987841 is an apocalyptic number.

It is an amenable number.

4987841 is a deficient number, since it is larger than the sum of its proper divisors (22591).

4987841 is a wasteful number, since it uses less digits than its factorization.

4987841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22590.

The product of its digits is 64512, while the sum is 41.

The square root of 4987841 is about 2233.3474875173. The cubic root of 4987841 is about 170.8588715076.

The spelling of 4987841 in words is "four million, nine hundred eighty-seven thousand, eight hundred forty-one".

Divisors: 1 223 22367 4987841