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5045019 = 37793041
BaseRepresentation
bin10011001111101100011011
3100111022110120
4103033230123
52242420034
6300044323
760611340
oct23175433
910438416
105045019
112936441
1218336a3
131078425
149547c7
15699c49
hex4cfb1b

5045019 has 16 divisors (see below), whose sum is σ = 7787520. Its totient is φ = 2845440.

The previous prime is 5045011. The next prime is 5045023. The reversal of 5045019 is 9105405.

It is not a de Polignac number, because 5045019 - 23 = 5045011 is a prime.

It is a super-2 number, since 2×50450192 = 50904433420722, which contains 22 as substring.

5045019 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5045019.

It is not an unprimeable number, because it can be changed into a prime (5045011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139 + ... + 3179.

It is an arithmetic number, because the mean of its divisors is an integer number (486720).

Almost surely, 25045019 is an apocalyptic number.

5045019 is a deficient number, since it is larger than the sum of its proper divisors (2742501).

5045019 is a wasteful number, since it uses less digits than its factorization.

5045019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 5045019 is about 2246.1119740565. Note that the first 3 decimals coincide. The cubic root of 5045019 is about 171.5092714291.

It can be divided in two parts, 504501 and 9, that added together give a triangular number (504510 = T1004).

The spelling of 5045019 in words is "five million, forty-five thousand, nineteen".

Divisors: 1 3 7 21 79 237 553 1659 3041 9123 21287 63861 240239 720717 1681673 5045019