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4742019 = 324171181
BaseRepresentation
bin10010000101101110000011
322220220211100
4102011232003
52203221034
6245345443
755210062
oct22055603
98826740
104742019
112749827
121708283
13ca0539
148b61d9
1563a099
hex485b83

4742019 has 24 divisors (see below), whose sum is σ = 7154784. Its totient is φ = 3024000.

The previous prime is 4742011. The next prime is 4742021. The reversal of 4742019 is 9102474.

It is a happy number.

It is not a de Polignac number, because 4742019 - 23 = 4742011 is a prime.

It is a super-2 number, since 2×47420192 = 44973488392722, which contains 22 as substring.

4742019 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4741983 and 4742001.

It is not an unprimeable number, because it can be changed into a prime (4742011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26109 + ... + 26289.

It is an arithmetic number, because the mean of its divisors is an integer number (298116).

Almost surely, 24742019 is an apocalyptic number.

4742019 is a deficient number, since it is larger than the sum of its proper divisors (2412765).

4742019 is a wasteful number, since it uses less digits than its factorization.

4742019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 4742019 is about 2177.6177350490. The cubic root of 4742019 is about 168.0045704539.

The spelling of 4742019 in words is "four million, seven hundred forty-two thousand, nineteen".

Divisors: 1 3 9 41 71 123 181 213 369 543 639 1629 2911 7421 8733 12851 22263 26199 38553 66789 115659 526891 1580673 4742019