Search a number
-
+
61324959 = 343974649
BaseRepresentation
bin1110100111101…
…1111010011111
311021101122000210
43221323322133
5111144344314
610030223503
71343152653
oct351737237
9137348023
1061324959
1131686393
1218654b93
13c922077
148204a63
1555b5559
hex3a7be9f

61324959 has 8 divisors (see below), whose sum is σ = 81802800. Its totient is φ = 40865216.

The previous prime is 61324931. The next prime is 61324961. The reversal of 61324959 is 95942316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61324959 - 25 = 61324927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61324909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10867 + ... + 15515.

It is an arithmetic number, because the mean of its divisors is an integer number (10225350).

Almost surely, 261324959 is an apocalyptic number.

61324959 is a deficient number, since it is larger than the sum of its proper divisors (20477841).

61324959 is a wasteful number, since it uses less digits than its factorization.

61324959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9049.

The product of its digits is 58320, while the sum is 39.

The square root of 61324959 is about 7831.0254117836. The cubic root of 61324959 is about 394.3474972009.

The spelling of 61324959 in words is "sixty-one million, three hundred twenty-four thousand, nine hundred fifty-nine".

Divisors: 1 3 4397 4649 13191 13947 20441653 61324959