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2488720464 = 2435976599
BaseRepresentation
bin1001010001010110…
…1101110001010000
320102102222002200000
42110111231301100
520044103023324
61050541530000
7115446526536
oct22425556120
96372862600
102488720464
1110678aa57a
12595573900
133087b0379
14198756156
15e874d9c9
hex9456dc50

2488720464 has 120 divisors (see below), whose sum is σ = 7298491200. Its totient is φ = 820896768.

The previous prime is 2488720447. The next prime is 2488720469. The reversal of 2488720464 is 4640278842.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2488720469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 373837 + ... + 380435.

It is an arithmetic number, because the mean of its divisors is an integer number (60820760).

Almost surely, 22488720464 is an apocalyptic number.

2488720464 is a gapful number since it is divisible by the number (24) 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 2488720464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3649245600).

2488720464 is an abundant number, since it is smaller than the sum of its proper divisors (4809770736).

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

2488720464 is an equidigital number, since it uses as much as digits as its factorization.

2488720464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6719 (or 6701 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 45.

The square root of 2488720464 is about 49887.0771242413. The cubic root of 2488720464 is about 1355.1645727225.

The spelling of 2488720464 in words is "two billion, four hundred eighty-eight million, seven hundred twenty thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 97 108 144 162 194 216 243 291 324 388 432 486 582 648 776 873 972 1164 1296 1552 1746 1944 2328 2619 3492 3888 4656 5238 6599 6984 7857 10476 13198 13968 15714 19797 20952 23571 26396 31428 39594 41904 47142 52792 59391 62856 79188 94284 105584 118782 125712 158376 178173 188568 237564 316752 356346 377136 475128 534519 640103 712692 950256 1069038 1280206 1425384 1603557 1920309 2138076 2560412 2850768 3207114 3840618 4276152 5120824 5760927 6414228 7681236 8552304 10241648 11521854 12828456 15362472 17282781 23043708 25656912 30724944 34565562 46087416 51848343 69131124 92174832 103696686 138262248 155545029 207393372 276524496 311090058 414786744 622180116 829573488 1244360232 2488720464