Search a number
-
+
2494140768 = 25337258913
BaseRepresentation
bin1001010010101001…
…1001000101100000
320102211011110221000
42110222121011200
520102000001033
61051254032000
7115543563300
oct22452310540
96384143830
102494140768
11106a971969
12597348600
1330995a552
14199367600
15e8e6ea13
hex94a99160

2494140768 has 144 divisors (see below), whose sum is σ = 8462406960. Its totient is φ = 712599552.

The previous prime is 2494140757. The next prime is 2494140791. The reversal of 2494140768 is 8670414942.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12880 + ... + 71792.

It is an arithmetic number, because the mean of its divisors is an integer number (58766715).

Almost surely, 22494140768 is an apocalyptic number.

2494140768 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 2494140768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4231203480).

2494140768 is an abundant number, since it is smaller than the sum of its proper divisors (5968266192).

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

2494140768 is a wasteful number, since it uses less digits than its factorization.

2494140768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58946 (or 58925 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 2494140768 is about 49941.3733091112. The cubic root of 2494140768 is about 1356.1476853791.

The spelling of 2494140768 in words is "two billion, four hundred ninety-four million, one hundred forty thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 72 84 96 98 108 112 126 144 147 168 189 196 216 224 252 288 294 336 378 392 432 441 504 588 672 756 784 864 882 1008 1176 1323 1512 1568 1764 2016 2352 2646 3024 3528 4704 5292 6048 7056 10584 14112 21168 42336 58913 117826 176739 235652 353478 412391 471304 530217 706956 824782 942608 1060434 1237173 1413912 1590651 1649564 1885216 2120868 2474346 2827824 2886737 3181302 3299128 3711519 4241736 4948692 5655648 5773474 6362604 6598256 7423038 8483472 8660211 9897384 11134557 11546948 12725208 13196512 14846076 16966944 17320422 19794768 22269114 23093896 25450416 25980633 29692152 34640844 39589536 44538228 46187792 50900832 51961266 59384304 69281688 77941899 89076456 92375584 103922532 118768608 138563376 155883798 178152912 207845064 277126752 311767596 356305824 415690128 623535192 831380256 1247070384 2494140768