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249410013 = 3523315887
BaseRepresentation
bin11101101110110…
…11000111011101
3122101022100012220
432313123013131
51002322110023
640425415553
76115643616
oct1667330735
9571270186
10249410013
11118870486
126b63a5b9
133c896cb8
14251a4c0d
1516d693e3
hexeddb1dd

249410013 has 8 divisors (see below), whose sum is σ = 332631168. Its totient is φ = 166231104.

The previous prime is 249410003. The next prime is 249410023. The reversal of 249410013 is 310014942.

It is an interprime number because it is at equal distance from previous prime (249410003) and next prime (249410023).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 249410013 - 28 = 249409757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249410003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7756 + ... + 23642.

It is an arithmetic number, because the mean of its divisors is an integer number (41578896).

Almost surely, 2249410013 is an apocalyptic number.

It is an amenable number.

249410013 is a deficient number, since it is larger than the sum of its proper divisors (83221155).

249410013 is a wasteful number, since it uses less digits than its factorization.

249410013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21123.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 249410013 is about 15792.7202533319. The cubic root of 249410013 is about 629.4645765782.

Adding to 249410013 its reverse (310014942), we get a palindrome (559424955).

The spelling of 249410013 in words is "two hundred forty-nine million, four hundred ten thousand, thirteen".

Divisors: 1 3 5233 15699 15887 47661 83136671 249410013