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49494897340 = 22571297927239
BaseRepresentation
bin101110000110001000…
…000011001010111100
311201202101101022000221
4232012020003022330
51302331143203330
634423155231124
73401346454150
oct560610031274
9151671338027
1049494897340
1119a99640a39
1297138a84a4
13488a21c205
14257760b060
15144a36eb7a
hexb862032bc

49494897340 has 48 divisors (see below), whose sum is σ = 118801267200. Its totient is φ = 16967748672.

The previous prime is 49494897307. The next prime is 49494897341. The reversal of 49494897340 is 4379849494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49494897341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1803441 + ... + 1830679.

It is an arithmetic number, because the mean of its divisors is an integer number (2475026400).

Almost surely, 249494897340 is an apocalyptic number.

It is an amenable number.

49494897340 is an abundant number, since it is smaller than the sum of its proper divisors (69306369860).

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

49494897340 is a wasteful number, since it uses less digits than its factorization.

49494897340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40234 (or 40232 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 61.

The spelling of 49494897340 in words is "forty-nine billion, four hundred ninety-four million, eight hundred ninety-seven thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 12979 25958 27239 51916 54478 64895 90853 108956 129790 136195 181706 190673 259580 272390 363412 381346 454265 544780 762692 908530 953365 1817060 1906730 3813460 353534981 707069962 1414139924 1767674905 2474744867 3535349810 4949489734 7070699620 9898979468 12373724335 24747448670 49494897340