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249344224 = 2553791861
BaseRepresentation
bin11101101110010…
…11000011100000
3122101011222222021
432313023003200
51002313003344
640424151224
76115251043
oct1667130340
9571158867
10249344224
11118826008
126b608514
133c87307c
1425188c5a
1516d54b84
hexedcb0e0

249344224 has 48 divisors (see below), whose sum is σ = 506761920. Its totient is φ = 120706560.

The previous prime is 249344213. The next prime is 249344231. The reversal of 249344224 is 422443942.

249344224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 249344224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133054 + ... + 134914.

It is an arithmetic number, because the mean of its divisors is an integer number (10557540).

Almost surely, 2249344224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 249344224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253380960).

249344224 is an abundant number, since it is smaller than the sum of its proper divisors (257417696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249344224 is a wasteful number, since it uses less digits than its factorization.

249344224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003 (or 1995 counting only the distinct ones).

The product of its digits is 55296, while the sum is 34.

The square root of 249344224 is about 15790.6372259007. The cubic root of 249344224 is about 629.4092253030.

The spelling of 249344224 in words is "two hundred forty-nine million, three hundred forty-four thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 32 53 79 106 158 212 316 424 632 848 1264 1696 1861 2528 3722 4187 7444 8374 14888 16748 29776 33496 59552 66992 98633 133984 147019 197266 294038 394532 588076 789064 1176152 1578128 2352304 3156256 4704608 7792007 15584014 31168028 62336056 124672112 249344224