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49235221 = 77033603
BaseRepresentation
bin1011101111010…
…0010100010101
310102122102000201
42323310110111
5100101011341
64515140501
71135330630
oct273642425
9112572021
1049235221
1125879172
12145a4731
13a27b289
146778c17
1544c8331
hex2ef4515

49235221 has 4 divisors (see below), whose sum is σ = 56268832. Its totient is φ = 42201612.

The previous prime is 49235209. The next prime is 49235227. The reversal of 49235221 is 12253294.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49235221 - 223 = 40846613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49235221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49235227) 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, 3516795 + ... + 3516808.

It is an arithmetic number, because the mean of its divisors is an integer number (14067208).

Almost surely, 249235221 is an apocalyptic number.

It is an amenable number.

49235221 is a deficient number, since it is larger than the sum of its proper divisors (7033611).

49235221 is an equidigital number, since it uses as much as digits as its factorization.

49235221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7033610.

The product of its digits is 4320, while the sum is 28.

The square root of 49235221 is about 7016.7813846521. The cubic root of 49235221 is about 366.5151777329.

The spelling of 49235221 in words is "forty-nine million, two hundred thirty-five thousand, two hundred twenty-one".

Divisors: 1 7 7033603 49235221