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61244423 = 232779613
BaseRepresentation
bin1110100110100…
…0010000000111
311021020112112222
43221220100013
5111134310143
610024402555
71342366112
oct351502007
9137215488
1061244423
1131630929
121861645b
13c8c4506
1481c3579
15559b768
hex3a68407

61244423 has 8 divisors (see below), whose sum is σ = 64144608. Its totient is φ = 58364064.

The previous prime is 61244401. The next prime is 61244473. The reversal of 61244423 is 32444216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61244423 - 28 = 61244167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61244392 and 61244401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61244473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1565 + ... + 11177.

It is an arithmetic number, because the mean of its divisors is an integer number (8018076).

Almost surely, 261244423 is an apocalyptic number.

61244423 is a deficient number, since it is larger than the sum of its proper divisors (2900185).

61244423 is a wasteful number, since it uses less digits than its factorization.

61244423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9913.

The product of its digits is 4608, while the sum is 26.

The square root of 61244423 is about 7825.8816116780. The cubic root of 61244423 is about 394.1747938218.

Adding to 61244423 its reverse (32444216), we get a palindrome (93688639).

The spelling of 61244423 in words is "sixty-one million, two hundred forty-four thousand, four hundred twenty-three".

Divisors: 1 23 277 6371 9613 221099 2662801 61244423