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61237049 is a prime number
BaseRepresentation
bin1110100110011…
…0011100111001
311021020011102212
43221212130321
5111134041144
610024304505
71342335446
oct351463471
9137204385
1061237049
1131626335
1218612135
13c8c1053
1481c09cd
15559949e
hex3a66739

61237049 has 2 divisors, whose sum is σ = 61237050. Its totient is φ = 61237048.

The previous prime is 61237037. The next prime is 61237061. The reversal of 61237049 is 94073216.

It is a balanced prime because it is at equal distance from previous prime (61237037) and next prime (61237061).

It can be written as a sum of positive squares in only one way, i.e., 39287824 + 21949225 = 6268^2 + 4685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61237049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61267049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30618524 + 30618525.

It is an arithmetic number, because the mean of its divisors is an integer number (30618525).

Almost surely, 261237049 is an apocalyptic number.

It is an amenable number.

61237049 is a deficient number, since it is larger than the sum of its proper divisors (1).

61237049 is an equidigital number, since it uses as much as digits as its factorization.

61237049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 61237049 is about 7825.4104684675. The cubic root of 61237049 is about 394.1589732706.

The spelling of 61237049 in words is "sixty-one million, two hundred thirty-seven thousand, forty-nine".