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249093039 = 3136387001
BaseRepresentation
bin11101101100011…
…01101110101111
3122100201020102010
432312031232233
51002231434124
640414532303
76113153526
oct1666155657
9570636363
10249093039
11118674318
126b507093
133c7b5940
14251214bd
1516d05529
hexed8dbaf

249093039 has 8 divisors (see below), whose sum is σ = 357672112. Its totient is φ = 153288000.

The previous prime is 249093011. The next prime is 249093041. The reversal of 249093039 is 930390942.

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

It is not a de Polignac number, because 249093039 - 27 = 249092911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 6387001 = 249093039 / (2 + 4 + 9 + 0 + 9 + 3 + 0 + 3 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 249092988 and 249093006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249093079) 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, 3193462 + ... + 3193539.

It is an arithmetic number, because the mean of its divisors is an integer number (44709014).

Almost surely, 2249093039 is an apocalyptic number.

249093039 is a deficient number, since it is larger than the sum of its proper divisors (108579073).

249093039 is a wasteful number, since it uses less digits than its factorization.

249093039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6387017.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 249093039 is about 15782.6816162527. The cubic root of 249093039 is about 629.1978023527.

The spelling of 249093039 in words is "two hundred forty-nine million, ninety-three thousand, thirty-nine".

Divisors: 1 3 13 39 6387001 19161003 83031013 249093039