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61634053 = 134741081
BaseRepresentation
bin1110101100011…
…1011000000101
311021222100000201
43223013120011
5111234242203
610041010501
71345611055
oct353073005
9137870021
1061634053
1131877638
1218783a31
13c9cc970
148285565
155626e1d
hex3ac7605

61634053 has 4 divisors (see below), whose sum is σ = 66375148. Its totient is φ = 56892960.

The previous prime is 61634051. The next prime is 61634143. The reversal of 61634053 is 35043616.

61634053 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 6770404 + 54863649 = 2602^2 + 7407^2 .

It is a cyclic number.

It is not a de Polignac number, because 61634053 - 21 = 61634051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61634051) 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, 2370528 + ... + 2370553.

It is an arithmetic number, because the mean of its divisors is an integer number (16593787).

Almost surely, 261634053 is an apocalyptic number.

It is an amenable number.

61634053 is a deficient number, since it is larger than the sum of its proper divisors (4741095).

61634053 is a wasteful number, since it uses less digits than its factorization.

61634053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4741094.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 61634053 is about 7850.7358253861. The cubic root of 61634053 is about 395.0089257183.

Adding to 61634053 its reverse (35043616), we get a palindrome (96677669).

The spelling of 61634053 in words is "sixty-one million, six hundred thirty-four thousand, fifty-three".

Divisors: 1 13 4741081 61634053