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5042249 = 37136277
BaseRepresentation
bin10011001111000001001001
3100111011122222
4103033001021
52242322444
6300023425
760600302
oct23170111
910434588
105042249
112934353
121831b75
1310770a4
149537a9
15698eee
hex4cf049

5042249 has 4 divisors (see below), whose sum is σ = 5178564. Its totient is φ = 4905936.

The previous prime is 5042203. The next prime is 5042273. The reversal of 5042249 is 9422405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9422405 = 51884481.

It can be written as a sum of positive squares in 2 ways, for example, as 4276624 + 765625 = 2068^2 + 875^2 .

It is a cyclic number.

It is not a de Polignac number, because 5042249 - 212 = 5038153 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5042299) 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, 68102 + ... + 68175.

It is an arithmetic number, because the mean of its divisors is an integer number (1294641).

Almost surely, 25042249 is an apocalyptic number.

It is an amenable number.

5042249 is a deficient number, since it is larger than the sum of its proper divisors (136315).

5042249 is a wasteful number, since it uses less digits than its factorization.

5042249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136314.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 5042249 is about 2245.4952683094. The cubic root of 5042249 is about 171.4778762611.

The spelling of 5042249 in words is "five million, forty-two thousand, two hundred forty-nine".

Divisors: 1 37 136277 5042249