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249371360 = 2557534201
BaseRepresentation
bin11101101110100…
…01101011100000
3122101020101012022
432313101223200
51002314340420
640424521012
76115423130
oct1667215340
9571211168
10249371360
11118844437
126b620168
133c882524
1425194ac0
1516d5cc25
hexedd1ae0

249371360 has 96 divisors (see below), whose sum is σ = 686169792. Its totient is φ = 83865600.

The previous prime is 249371357. The next prime is 249371363. The reversal of 249371360 is 63173942.

249371360 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (249371357) and next prime (249371363).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 249371360.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249371363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57260 + ... + 61460.

It is an arithmetic number, because the mean of its divisors is an integer number (7147602).

Almost surely, 2249371360 is an apocalyptic number.

249371360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 249371360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343084896).

249371360 is an abundant number, since it is smaller than the sum of its proper divisors (436798432).

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

249371360 is a wasteful number, since it uses less digits than its factorization.

249371360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4276 (or 4268 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 249371360 is about 15791.4964458724. The cubic root of 249371360 is about 629.4320572325.

The spelling of 249371360 in words is "two hundred forty-nine million, three hundred seventy-one thousand, three hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 53 56 70 80 106 112 140 160 212 224 265 280 371 424 530 560 742 848 1060 1120 1484 1696 1855 2120 2968 3710 4201 4240 5936 7420 8402 8480 11872 14840 16804 21005 29407 29680 33608 42010 58814 59360 67216 84020 117628 134432 147035 168040 222653 235256 294070 336080 445306 470512 588140 672160 890612 941024 1113265 1176280 1558571 1781224 2226530 2352560 3117142 3562448 4453060 4705120 6234284 7124896 7792855 8906120 12468568 15585710 17812240 24937136 31171420 35624480 49874272 62342840 124685680 249371360