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61123339 = 431421473
BaseRepresentation
bin1110100100101…
…0101100001011
311021000101110101
43221022230023
5111121421324
610022030231
71341353104
oct351125413
9137011411
1061123339
1131558962
1218578377
13c881374
1481913ab
155575944
hex3a4ab0b

61123339 has 4 divisors (see below), whose sum is σ = 62544856. Its totient is φ = 59701824.

The previous prime is 61123319. The next prime is 61123343. The reversal of 61123339 is 93332116.

61123339 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61123339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61123319) 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, 710694 + ... + 710779.

It is an arithmetic number, because the mean of its divisors is an integer number (15636214).

Almost surely, 261123339 is an apocalyptic number.

61123339 is a deficient number, since it is larger than the sum of its proper divisors (1421517).

61123339 is a wasteful number, since it uses less digits than its factorization.

61123339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421516.

The product of its digits is 2916, while the sum is 28.

The square root of 61123339 is about 7818.1416589878. The cubic root of 61123339 is about 393.9148531508.

The spelling of 61123339 in words is "sixty-one million, one hundred twenty-three thousand, three hundred thirty-nine".

Divisors: 1 43 1421473 61123339