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4990417 = 10874591
BaseRepresentation
bin10011000010010111010001
3100101112120021
4103002113101
52234143132
6254543441
760263215
oct23022721
910345507
104990417
1128a9413
121807b81
131059613
1493c945
15688997
hex4c25d1

4990417 has 4 divisors (see below), whose sum is σ = 4996096. Its totient is φ = 4984740.

The previous prime is 4990409. The next prime is 4990421. The reversal of 4990417 is 7140994.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4990417 - 23 = 4990409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4990477) 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, 1209 + ... + 3382.

It is an arithmetic number, because the mean of its divisors is an integer number (1249024).

Almost surely, 24990417 is an apocalyptic number.

It is an amenable number.

4990417 is a deficient number, since it is larger than the sum of its proper divisors (5679).

4990417 is a wasteful number, since it uses less digits than its factorization.

4990417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5678.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 4990417 is about 2233.9241258378. The cubic root of 4990417 is about 170.8882801372. Note that the first 3 decimals are identical.

The spelling of 4990417 in words is "four million, nine hundred ninety thousand, four hundred seventeen".

Divisors: 1 1087 4591 4990417