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61343331 = 372921111
BaseRepresentation
bin1110101000000…
…0011001100011
311021102120020020
43222000121203
5111200441311
610030444523
71343260350
oct352003143
9137376206
1061343331
1131699175
1218663743
13c92a53a
14820b627
1555bac06
hex3a80663

61343331 has 8 divisors (see below), whose sum is σ = 93475584. Its totient is φ = 35053320.

The previous prime is 61343329. The next prime is 61343351. The reversal of 61343331 is 13334316.

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

It is not a de Polignac number, because 61343331 - 21 = 61343329 is a prime.

It is a super-2 number, since 2×613433312 = 7526008516351122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61343311) 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, 1460535 + ... + 1460576.

It is an arithmetic number, because the mean of its divisors is an integer number (11684448).

Almost surely, 261343331 is an apocalyptic number.

61343331 is a deficient number, since it is larger than the sum of its proper divisors (32132253).

61343331 is a wasteful number, since it uses less digits than its factorization.

61343331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921121.

The product of its digits is 1944, while the sum is 24.

The square root of 61343331 is about 7832.1983503995. The cubic root of 61343331 is about 394.3868733862.

Adding to 61343331 its reverse (13334316), we get a palindrome (74677647).

The spelling of 61343331 in words is "sixty-one million, three hundred forty-three thousand, three hundred thirty-one".

Divisors: 1 3 7 21 2921111 8763333 20447777 61343331