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61460057 = 422914533
BaseRepresentation
bin1110101001110…
…0111001011001
311021122111100102
43222130321121
5111213210212
610033145145
71344254561
oct352347131
9137574312
1061460057
113176893a
12186bb1b5
13c96b6c9
14823bda1
1555e05c2
hex3a9ce59

61460057 has 4 divisors (see below), whose sum is σ = 61478820. Its totient is φ = 61441296.

The previous prime is 61460053. The next prime is 61460081. The reversal of 61460057 is 75006416.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52722121 + 8737936 = 7261^2 + 2956^2 .

It is a cyclic number.

It is not a de Polignac number, because 61460057 - 22 = 61460053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61460053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3038 + ... + 11495.

It is an arithmetic number, because the mean of its divisors is an integer number (15369705).

Almost surely, 261460057 is an apocalyptic number.

It is an amenable number.

61460057 is a deficient number, since it is larger than the sum of its proper divisors (18763).

61460057 is a wasteful number, since it uses less digits than its factorization.

61460057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18762.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 61460057 is about 7839.6464843767. The cubic root of 61460057 is about 394.6368654293.

The spelling of 61460057 in words is "sixty-one million, four hundred sixty thousand, fifty-seven".

Divisors: 1 4229 14533 61460057