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49818285 = 32511195297
BaseRepresentation
bin1011111000001…
…0101010101101
310110202000211200
42332002222231
5100223141120
64535440113
71143306546
oct276025255
9113660750
1049818285
1126137240
1214826039
13a42379a
14688b4cd
154590e90
hex2f82aad

49818285 has 48 divisors (see below), whose sum is σ = 99178560. Its totient is φ = 22878720.

The previous prime is 49818281. The next prime is 49818287. The reversal of 49818285 is 58281894.

It is a happy number.

49818285 is a `hidden beast` number, since 498 + 1 + 82 + 85 = 666.

It is not a de Polignac number, because 49818285 - 22 = 49818281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 49818285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49818281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6757 + ... + 12053.

It is an arithmetic number, because the mean of its divisors is an integer number (2066220).

Almost surely, 249818285 is an apocalyptic number.

49818285 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49818285 is a deficient number, since it is larger than the sum of its proper divisors (49360275).

49818285 is a wasteful number, since it uses less digits than its factorization.

49818285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5338 (or 5335 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 49818285 is about 7058.2069252750. The cubic root of 49818285 is about 367.9563122562.

The spelling of 49818285 in words is "forty-nine million, eight hundred eighteen thousand, two hundred eighty-five".

Divisors: 1 3 5 9 11 15 19 33 45 55 57 95 99 165 171 209 285 495 627 855 1045 1881 3135 5297 9405 15891 26485 47673 58267 79455 100643 174801 238365 291335 301929 503215 524403 874005 905787 1107073 1509645 2622015 3321219 4528935 5535365 9963657 16606095 49818285