Search a number
-
+
61338059 = 139441281
BaseRepresentation
bin1110100111111…
…1000111001011
311021102021222222
43221333013023
5111200304214
610030404255
71343236106
oct351770713
9137367888
1061338059
1131695212
121866068b
13c928013
14820973d
1555b938e
hex3a7f1cb

61338059 has 4 divisors (see below), whose sum is σ = 61779480. Its totient is φ = 60896640.

The previous prime is 61338037. The next prime is 61338077. The reversal of 61338059 is 95083316.

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 61338059 - 224 = 44560843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61338259) 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, 220502 + ... + 220779.

It is an arithmetic number, because the mean of its divisors is an integer number (15444870).

Almost surely, 261338059 is an apocalyptic number.

61338059 is a deficient number, since it is larger than the sum of its proper divisors (441421).

61338059 is a wasteful number, since it uses less digits than its factorization.

61338059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441420.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 61338059 is about 7831.8617837651. The cubic root of 61338059 is about 394.3755748629.

The spelling of 61338059 in words is "sixty-one million, three hundred thirty-eight thousand, fifty-nine".

Divisors: 1 139 441281 61338059