Search a number
-
+
49449538430 = 255983812777
BaseRepresentation
bin101110000011011011…
…000001001101111110
311201122020000211022022
4232003123001031332
51302233040212210
634414455120142
73400256066345
oct560333011576
9151566024268
1049449538430
1119a75a80136
129700673052
1348809ca416
1425715a0b5c
1514463b0155
hexb836c137e

49449538430 has 16 divisors (see below), whose sum is σ = 90517800240. Its totient is φ = 19444564032.

The previous prime is 49449538387. The next prime is 49449538451. The reversal of 49449538430 is 3483594494.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41905799 + ... + 41906978.

It is an arithmetic number, because the mean of its divisors is an integer number (5657362515).

Almost surely, 249449538430 is an apocalyptic number.

49449538430 is a deficient number, since it is larger than the sum of its proper divisors (41068261810).

49449538430 is a wasteful number, since it uses less digits than its factorization.

49449538430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83812843.

The product of its (nonzero) digits is 7464960, while the sum is 53.

The spelling of 49449538430 in words is "forty-nine billion, four hundred forty-nine million, five hundred thirty-eight thousand, four hundred thirty".

Divisors: 1 2 5 10 59 118 295 590 83812777 167625554 419063885 838127770 4944953843 9889907686 24724769215 49449538430