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61008842 = 230504421
BaseRepresentation
bin1110100010111…
…0101111001010
311020210120101202
43220232233022
5111104240332
610015344202
71340365226
oct350565712
9136716352
1061008842
113148a934
1218522062
13c84120b
148161786
155551a62
hex3a2ebca

61008842 has 4 divisors (see below), whose sum is σ = 91513266. Its totient is φ = 30504420.

The previous prime is 61008841. The next prime is 61008851. The reversal of 61008842 is 24880016.

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., 50112241 + 10896601 = 7079^2 + 3301^2 .

It is not an unprimeable number, because it can be changed into a prime (61008841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15252209 + ... + 15252212.

Almost surely, 261008842 is an apocalyptic number.

61008842 is a deficient number, since it is larger than the sum of its proper divisors (30504424).

61008842 is a wasteful number, since it uses less digits than its factorization.

61008842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30504423.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 61008842 is about 7810.8157064419. The cubic root of 61008842 is about 393.6687373411.

Adding to 61008842 its reverse (24880016), we get a palindrome (85888858).

The spelling of 61008842 in words is "sixty-one million, eight thousand, eight hundred forty-two".

Divisors: 1 2 30504421 61008842