Search a number
-
+
49257373040 = 2452412554843
BaseRepresentation
bin101101110111111101…
…111101110101110000
311201010211102210221122
4231313331331311300
51301334341414130
634343432241412
73362433522401
oct556775756560
9151124383848
1049257373040
1119987559467
129668240268
13484cc571a5
142553c5b9a8
1514345a22e5
hexb77f7dd70

49257373040 has 40 divisors (see below), whose sum is σ = 114998638128. Its totient is φ = 19621186560.

The previous prime is 49257373031. The next prime is 49257373043. The reversal of 49257373040 is 4037375294.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 49257372982 and 49257373000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49257373043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1258142 + ... + 1296701.

Almost surely, 249257373040 is an apocalyptic number.

49257373040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49257373040 is an abundant number, since it is smaller than the sum of its proper divisors (65741265088).

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

49257373040 is a wasteful number, since it uses less digits than its factorization.

49257373040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555097 (or 2555091 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 44.

The spelling of 49257373040 in words is "forty-nine billion, two hundred fifty-seven million, three hundred seventy-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 241 482 964 1205 1928 2410 3856 4820 9640 19280 2554843 5109686 10219372 12774215 20438744 25548430 40877488 51096860 102193720 204387440 615717163 1231434326 2462868652 3078585815 4925737304 6157171630 9851474608 12314343260 24628686520 49257373040