Search a number
-
+
61370242 = 230685121
BaseRepresentation
bin1110101000011…
…0111110000010
311021110221010221
43222012332002
5111202321432
610031213254
71343431663
oct352067602
9137427127
1061370242
113170740a
121867722a
13c93986b
14821736a
1555c3b97
hex3a86f82

61370242 has 4 divisors (see below), whose sum is σ = 92055366. Its totient is φ = 30685120.

The previous prime is 61370227. The next prime is 61370273. The reversal of 61370242 is 24207316.

61370242 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., 60543961 + 826281 = 7781^2 + 909^2 .

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, 15342559 + ... + 15342562.

Almost surely, 261370242 is an apocalyptic number.

61370242 is a deficient number, since it is larger than the sum of its proper divisors (30685124).

61370242 is a wasteful number, since it uses less digits than its factorization.

61370242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30685123.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 61370242 is about 7833.9161343481. The cubic root of 61370242 is about 394.4445367777. Note that the first 3 decimals are identical.

Adding to 61370242 its reverse (24207316), we get a palindrome (85577558).

The spelling of 61370242 in words is "sixty-one million, three hundred seventy thousand, two hundred forty-two".

Divisors: 1 2 30685121 61370242