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2490913656 = 2332711449299
BaseRepresentation
bin1001010001111000…
…0101001101111000
320102121002112011100
42110132011031320
520100133214111
61051100531400
7115504262640
oct22436051570
96377075140
102490913656
111069068330
12596250b60
1330909a70a
14198b67520
15e8a33756
hex94785378

2490913656 has 96 divisors (see below), whose sum is σ = 8410896000. Its totient is φ = 646989120.

The previous prime is 2490913651. The next prime is 2490913681. The reversal of 2490913656 is 6563190942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490913651) 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, 219106 + ... + 230193.

It is an arithmetic number, because the mean of its divisors is an integer number (87613500).

Almost surely, 22490913656 is an apocalyptic number.

It is an amenable number.

2490913656 is an abundant number, since it is smaller than the sum of its proper divisors (5919982344).

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

2490913656 is a wasteful number, since it uses less digits than its factorization.

2490913656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449329 (or 449322 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 2490913656 is about 49909.0538479743. The cubic root of 2490913656 is about 1355.5625367234.

The spelling of 2490913656 in words is "two billion, four hundred ninety million, nine hundred thirteen thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 7 8 9 11 12 14 18 21 22 24 28 33 36 42 44 56 63 66 72 77 84 88 99 126 132 154 168 198 231 252 264 308 396 462 504 616 693 792 924 1386 1848 2772 5544 449299 898598 1347897 1797196 2695794 3145093 3594392 4043691 4942289 5391588 6290186 8087382 9435279 9884578 10783176 12580372 14826867 16174764 18870558 19769156 25160744 28305837 29653734 32349528 34596023 37741116 39538312 44480601 56611674 59307468 69192046 75482232 88961202 103788069 113223348 118614936 138384092 177922404 207576138 226446696 276768184 311364207 355844808 415152276 622728414 830304552 1245456828 2490913656