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49654145 = 59930829
BaseRepresentation
bin1011110101101…
…0100110000001
310110102200200102
42331122212001
5100202413040
64532132145
71142024162
oct275324601
9113380612
1049654145
1126034992
1214767055
13a396b68
146847769
15455c515
hex2f5a981

49654145 has 4 divisors (see below), whose sum is σ = 59584980. Its totient is φ = 39723312.

The previous prime is 49654141. The next prime is 49654151. The reversal of 49654145 is 54145694.

49654145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7091569 + 42562576 = 2663^2 + 6524^2 .

It is a cyclic number.

It is not a de Polignac number, because 49654145 - 22 = 49654141 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 49654099 and 49654108.

It is not an unprimeable number, because it can be changed into a prime (49654141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4965410 + ... + 4965419.

It is an arithmetic number, because the mean of its divisors is an integer number (14896245).

Almost surely, 249654145 is an apocalyptic number.

It is an amenable number.

49654145 is a deficient number, since it is larger than the sum of its proper divisors (9930835).

49654145 is an equidigital number, since it uses as much as digits as its factorization.

49654145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9930834.

The product of its digits is 86400, while the sum is 38.

The square root of 49654145 is about 7046.5697328558. The cubic root of 49654145 is about 367.5517566361.

The spelling of 49654145 in words is "forty-nine million, six hundred fifty-four thousand, one hundred forty-five".

Divisors: 1 5 9930829 49654145