Search a number
-
+
49699845 = 3351328319
BaseRepresentation
bin1011110110010…
…1110000000101
310110112000101000
42331211300011
5100210343340
64533123513
71142304336
oct275456005
9113460330
1049699845
1126066258
1214789599
13a3b18c0
14685a28d
15456ad30
hex2f65c05

49699845 has 32 divisors (see below), whose sum is σ = 95155200. Its totient is φ = 24466752.

The previous prime is 49699817. The next prime is 49699879. The reversal of 49699845 is 54899694.

49699845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49699845 - 25 = 49699813 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49699791 and 49699800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12405 + ... + 15914.

It is an arithmetic number, because the mean of its divisors is an integer number (2973600).

Almost surely, 249699845 is an apocalyptic number.

49699845 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49699845 is a deficient number, since it is larger than the sum of its proper divisors (45455355).

49699845 is a wasteful number, since it uses less digits than its factorization.

49699845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28346 (or 28340 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 49699845 is about 7049.8116996130. The cubic root of 49699845 is about 367.6644828059.

The spelling of 49699845 in words is "forty-nine million, six hundred ninety-nine thousand, eight hundred forty-five".

Divisors: 1 3 5 9 13 15 27 39 45 65 117 135 195 351 585 1755 28319 84957 141595 254871 368147 424785 764613 1104441 1274355 1840735 3313323 3823065 5522205 9939969 16566615 49699845