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4979019 = 31659673
BaseRepresentation
bin10010111111100101001011
3100100221221010
4102333211023
52233312034
6254415003
760215043
oct22774513
910327833
104979019
1128a08a1
121801463
131054386
14938723
156853e9
hex4bf94b

4979019 has 4 divisors (see below), whose sum is σ = 6638696. Its totient is φ = 3319344.

The previous prime is 4978993. The next prime is 4979021. The reversal of 4979019 is 9109794.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4979019 - 213 = 4970827 is a prime.

It is a super-2 number, since 2×49790192 = 49581260404722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

4979019 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4979059) 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, 829834 + ... + 829839.

It is an arithmetic number, because the mean of its divisors is an integer number (1659674).

Almost surely, 24979019 is an apocalyptic number.

4979019 is a deficient number, since it is larger than the sum of its proper divisors (1659677).

4979019 is a wasteful number, since it uses less digits than its factorization.

4979019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659676.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 4979019 is about 2231.3715513110. The cubic root of 4979019 is about 170.7580793009.

The spelling of 4979019 in words is "four million, nine hundred seventy-nine thousand, nineteen".

Divisors: 1 3 1659673 4979019