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61160642 = 230580321
BaseRepresentation
bin1110100101001…
…1110011000010
311021002021121222
43221103303002
5111124120032
610022515042
71341566624
oct351236302
9137067558
1061160642
1131583994
1218595a82
13c89533a
1481a0c14
155581a12
hex3a53cc2

61160642 has 4 divisors (see below), whose sum is σ = 91740966. Its totient is φ = 30580320.

The previous prime is 61160621. The next prime is 61160653. The reversal of 61160642 is 24606116.

It is a happy number.

61160642 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 can be written as a sum of positive squares in only one way, i.e., 41615401 + 19545241 = 6451^2 + 4421^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 15290159 + ... + 15290162.

Almost surely, 261160642 is an apocalyptic number.

61160642 is a deficient number, since it is larger than the sum of its proper divisors (30580324).

61160642 is a wasteful number, since it uses less digits than its factorization.

61160642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30580323.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 61160642 is about 7820.5269643420. The cubic root of 61160642 is about 393.9949710336.

Adding to 61160642 its reverse (24606116), we get a palindrome (85766758).

The spelling of 61160642 in words is "sixty-one million, one hundred sixty thousand, six hundred forty-two".

Divisors: 1 2 30580321 61160642