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61334421 = 326976003
BaseRepresentation
bin1110100111111…
…0001110010101
311021102010000020
43221332032111
5111200200141
610030335353
71343222361
oct351761625
9137363006
1061334421
1131692505
121865a559
13c926475
1482082a1
1555b8266
hex3a7e395

61334421 has 8 divisors (see below), whose sum is σ = 82084320. Its totient is φ = 40737072.

The previous prime is 61334417. The next prime is 61334423. The reversal of 61334421 is 12443316.

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

It is not a de Polignac number, because 61334421 - 22 = 61334417 is a prime.

It is a super-2 number, since 2×613344212 = 7523822398810482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61334391 and 61334400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61334423) 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, 37195 + ... + 38808.

It is an arithmetic number, because the mean of its divisors is an integer number (10260540).

Almost surely, 261334421 is an apocalyptic number.

It is an amenable number.

61334421 is a deficient number, since it is larger than the sum of its proper divisors (20749899).

61334421 is a wasteful number, since it uses less digits than its factorization.

61334421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76275.

The product of its digits is 1728, while the sum is 24.

The square root of 61334421 is about 7831.6295239241. The cubic root of 61334421 is about 394.3677778185.

Adding to 61334421 its reverse (12443316), we get a palindrome (73777737).

The spelling of 61334421 in words is "sixty-one million, three hundred thirty-four thousand, four hundred twenty-one".

Divisors: 1 3 269 807 76003 228009 20444807 61334421