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61078 = 230539
BaseRepresentation
bin1110111010010110
310002210011
432322112
53423303
61150434
7343033
oct167226
9102704
1061078
1141986
122b41a
1321a54
141838a
151316d
hexee96

61078 has 4 divisors (see below), whose sum is σ = 91620. Its totient is φ = 30538.

The previous prime is 61057. The next prime is 61091. The reversal of 61078 is 87016.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15268 + ... + 15271.

It is an arithmetic number, because the mean of its divisors is an integer number (22905).

261078 is an apocalyptic number.

61078 is a deficient number, since it is larger than the sum of its proper divisors (30542).

61078 is a wasteful number, since it uses less digits than its factorization.

61078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30541.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 61078 is about 247.1396366429. The cubic root of 61078 is about 39.3817431972.

The spelling of 61078 in words is "sixty-one thousand, seventy-eight".

Divisors: 1 2 30539 61078