Search a number
-
+
61459135 = 512291827
BaseRepresentation
bin1110101001110…
…0101010111111
311021122110002021
43222130222333
5111213143020
610033141011
71344252103
oct352345277
9137573067
1061459135
1131768181
12186ba767
13c96b16a
14823b903
1555e01aa
hex3a9cabf

61459135 has 4 divisors (see below), whose sum is σ = 73750968. Its totient is φ = 49167304.

The previous prime is 61459133. The next prime is 61459141. The reversal of 61459135 is 53195416.

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 61459135 - 21 = 61459133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61459135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61459133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6145909 + ... + 6145918.

It is an arithmetic number, because the mean of its divisors is an integer number (18437742).

Almost surely, 261459135 is an apocalyptic number.

61459135 is a deficient number, since it is larger than the sum of its proper divisors (12291833).

61459135 is a wasteful number, since it uses less digits than its factorization.

61459135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12291832.

The product of its digits is 16200, while the sum is 34.

The square root of 61459135 is about 7839.5876804842. The cubic root of 61459135 is about 394.6348920229.

The spelling of 61459135 in words is "sixty-one million, four hundred fifty-nine thousand, one hundred thirty-five".

Divisors: 1 5 12291827 61459135