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2240549680 = 24517672367
BaseRepresentation
bin1000010110001100…
…0001001100110000
312210010222201100111
42011203001030300
514042040042210
61010154431104
7106344233545
oct20543011460
95703881314
102240549680
11a4a806156
12526432494
1329925b455
141737d4bcc
15d1a7b88a
hex858c1330

2240549680 has 120 divisors (see below), whose sum is σ = 5614515648. Its totient is φ = 828647424.

The previous prime is 2240549677. The next prime is 2240549683. The reversal of 2240549680 is 869450422.

It is an interprime number because it is at equal distance from previous prime (2240549677) and next prime (2240549683).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (2240549683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6104857 + ... + 6105223.

Almost surely, 22240549680 is an apocalyptic number.

2240549680 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 2240549680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2807257824).

2240549680 is an abundant number, since it is smaller than the sum of its proper divisors (3373965968).

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

2240549680 is a wasteful number, since it uses less digits than its factorization.

2240549680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 2240549680 is about 47334.4449634724. Note that the first 3 decimals coincide. The cubic root of 2240549680 is about 1308.5335414965.

The spelling of 2240549680 in words is "two billion, two hundred forty million, five hundred forty-nine thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 67 68 80 85 134 136 170 268 272 335 340 367 536 670 680 734 1072 1139 1340 1360 1468 1835 2278 2680 2936 3670 4489 4556 5360 5695 5872 6239 7340 8978 9112 11390 12478 14680 17956 18224 22445 22780 24589 24956 29360 31195 35912 44890 45560 49178 49912 62390 71824 76313 89780 91120 98356 99824 122945 124780 152626 179560 196712 245890 249560 305252 359120 381565 393424 418013 491780 499120 610504 763130 836026 983560 1221008 1526260 1647463 1672052 1967120 2090065 3052520 3294926 3344104 4180130 6105040 6589852 6688208 8237315 8360260 13179704 16474630 16720520 26359408 28006871 32949260 33441040 56013742 65898520 112027484 131797040 140034355 224054968 280068710 448109936 560137420 1120274840 2240549680