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5124649 is a prime number
BaseRepresentation
bin10011100011001000101001
3100122100200211
4103203020221
52302442044
6301501121
761362445
oct23431051
910570624
105124649
112990252
1218717a1
1310a574a
14975825
156b3634
hex4e3229

5124649 has 2 divisors, whose sum is σ = 5124650. Its totient is φ = 5124648.

The previous prime is 5124643. The next prime is 5124659. The reversal of 5124649 is 9464215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4928400 + 196249 = 2220^2 + 443^2 .

It is a cyclic number.

It is not a de Polignac number, because 5124649 - 25 = 5124617 is a prime.

It is equal to p356566 and since 5124649 and 356566 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5124649.

It is not a weakly prime, because it can be changed into another prime (5124643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2562324 + 2562325.

It is an arithmetic number, because the mean of its divisors is an integer number (2562325).

Almost surely, 25124649 is an apocalyptic number.

It is an amenable number.

5124649 is a deficient number, since it is larger than the sum of its proper divisors (1).

5124649 is an equidigital number, since it uses as much as digits as its factorization.

5124649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

The square root of 5124649 is about 2263.7687602757. The cubic root of 5124649 is about 172.4069259155.

The spelling of 5124649 in words is "five million, one hundred twenty-four thousand, six hundred forty-nine".