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61063671 = 3100920173
BaseRepresentation
bin1110100011110…
…0000111110111
311020220100121110
43220330013313
5111113014141
610020450103
71341014124
oct350740767
9136810543
1061063671
1131518049
1218549933
13c860166
14817774b
155562e16
hex3a3c1f7

61063671 has 8 divisors (see below), whose sum is σ = 81502960. Its totient is φ = 40666752.

The previous prime is 61063657. The next prime is 61063679. The reversal of 61063671 is 17636016.

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

It is not a de Polignac number, because 61063671 - 225 = 27509239 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 (61063679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7060 + ... + 13113.

It is an arithmetic number, because the mean of its divisors is an integer number (10187870).

Almost surely, 261063671 is an apocalyptic number.

61063671 is a deficient number, since it is larger than the sum of its proper divisors (20439289).

61063671 is a wasteful number, since it uses less digits than its factorization.

61063671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21185.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 61063671 is about 7814.3247309029. The cubic root of 61063671 is about 393.7866328225.

Adding to 61063671 its reverse (17636016), we get a palindrome (78699687).

The spelling of 61063671 in words is "sixty-one million, sixty-three thousand, six hundred seventy-one".

Divisors: 1 3 1009 3027 20173 60519 20354557 61063671