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2489486748 = 2237233112791
BaseRepresentation
bin1001010001100010…
…1000110110011100
320102111102000210220
42110120220312130
520044302033443
61051010201340
7115456200600
oct22430506634
96374360726
102489486748
111068283271
12595883250
133089bb0a8
141988b5500
15e8850a83
hex94628d9c

2489486748 has 72 divisors (see below), whose sum is σ = 6778122624. Its totient is φ = 709077600.

The previous prime is 2489486743. The next prime is 2489486767. The reversal of 2489486748 is 8476849842.

It is a junction number, because it is equal to n+sod(n) for n = 2489486691 and 2489486700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489486743) 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, 188233 + ... + 201023.

It is an arithmetic number, because the mean of its divisors is an integer number (94140592).

Almost surely, 22489486748 is an apocalyptic number.

2489486748 is a gapful number since it is divisible by the number (28) 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 2489486748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3389061312).

2489486748 is an abundant number, since it is smaller than the sum of its proper divisors (4288635876).

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

2489486748 is a wasteful number, since it uses less digits than its factorization.

2489486748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13143 (or 13134 counting only the distinct ones).

The product of its digits is 24772608, while the sum is 60.

The square root of 2489486748 is about 49894.7567185170. The cubic root of 2489486748 is about 1355.3036447722.

The spelling of 2489486748 in words is "two billion, four hundred eighty-nine million, four hundred eighty-six thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 331 588 662 993 1324 1986 2317 3972 4634 6951 9268 12791 13902 16219 25582 27804 32438 38373 48657 51164 64876 76746 89537 97314 153492 179074 194628 268611 358148 537222 626759 1074444 1253518 1880277 2507036 3760554 4233821 7521108 8467642 12701463 16935284 25402926 29636747 50805852 59273494 88910241 118546988 177820482 207457229 355640964 414914458 622371687 829828916 1244743374 2489486748