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2494240 = 255717131
BaseRepresentation
bin1001100000111100100000
311200201110021
421200330200
51114303430
6125243224
730125560
oct11407440
94621407
102494240
111453a61
12a03514
136943a8
1448cda0
1534407a
hex260f20

2494240 has 96 divisors (see below), whose sum is σ = 7185024. Its totient is φ = 798720.

The previous prime is 2494237. The next prime is 2494241. The reversal of 2494240 is 424942.

It is not an unprimeable number, because it can be changed into a prime (2494241) 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, 18975 + ... + 19105.

It is an arithmetic number, because the mean of its divisors is an integer number (74844).

22494240 is an apocalyptic number.

2494240 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 2494240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3592512).

2494240 is an abundant number, since it is smaller than the sum of its proper divisors (4690784).

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

2494240 is a wasteful number, since it uses less digits than its factorization.

2494240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2494240 is about 1579.3163077737. The cubic root of 2494240 is about 135.6165670392.

It can be divided in two parts, 249 and 4240, that added together give a square (4489 = 672).

The spelling of 2494240 in words is "two million, four hundred ninety-four thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 56 68 70 80 85 112 119 131 136 140 160 170 224 238 262 272 280 340 476 524 544 560 595 655 680 917 952 1048 1120 1190 1310 1360 1834 1904 2096 2227 2380 2620 2720 3668 3808 4192 4454 4585 4760 5240 7336 8908 9170 9520 10480 11135 14672 15589 17816 18340 19040 20960 22270 29344 31178 35632 36680 44540 62356 71264 73360 77945 89080 124712 146720 155890 178160 249424 311780 356320 498848 623560 1247120 2494240