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61025123 = 64195203
BaseRepresentation
bin1110100011001…
…0101101100011
311020211101201202
43220302231203
5111110300443
610015551415
71340463545
oct350625543
9136741652
1061025123
11314a1095
121852b56b
13c848753
148167695
1555567b8
hex3a32b63

61025123 has 4 divisors (see below), whose sum is σ = 61120968. Its totient is φ = 60929280.

The previous prime is 61025119. The next prime is 61025183. The reversal of 61025123 is 32152016.

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

It is a cyclic number.

It is not a de Polignac number, because 61025123 - 22 = 61025119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61025095 and 61025104.

It is not an unprimeable number, because it can be changed into a prime (61025183) 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, 46961 + ... + 48242.

It is an arithmetic number, because the mean of its divisors is an integer number (15280242).

Almost surely, 261025123 is an apocalyptic number.

61025123 is a deficient number, since it is larger than the sum of its proper divisors (95845).

61025123 is an equidigital number, since it uses as much as digits as its factorization.

61025123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95844.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 61025123 is about 7811.8578456088. The cubic root of 61025123 is about 393.7037527610.

Adding to 61025123 its reverse (32152016), we get a palindrome (93177139).

The spelling of 61025123 in words is "sixty-one million, twenty-five thousand, one hundred twenty-three".

Divisors: 1 641 95203 61025123