Search a number
-
+
49840512 = 273129793
BaseRepresentation
bin1011111000100…
…0000110000000
310110210011022220
42332020012000
5100224344022
64540131040
71143431421
oct276100600
9113704286
1049840512
1126151a07
1214836a80
13a430937
146895648
15459785c
hex2f88180

49840512 has 32 divisors (see below), whose sum is σ = 132389880. Its totient is φ = 16613376.

The previous prime is 49840507. The next prime is 49840519. The reversal of 49840512 is 21504894.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49840519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64513 + ... + 65280.

Almost surely, 249840512 is an apocalyptic number.

It is an amenable number.

49840512 is an abundant number, since it is smaller than the sum of its proper divisors (82549368).

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

49840512 is a wasteful number, since it uses less digits than its factorization.

49840512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129810 (or 129798 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 49840512 is about 7059.7812997288. The cubic root of 49840512 is about 368.0110267647.

The spelling of 49840512 in words is "forty-nine million, eight hundred forty thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 129793 259586 389379 519172 778758 1038344 1557516 2076688 3115032 4153376 6230064 8306752 12460128 16613504 24920256 49840512