Search a number
-
+
61038899 = 971075881
BaseRepresentation
bin1110100011011…
…0000100110011
311020212002121222
43220312010303
5111111221044
610020135255
71340551655
oct350660463
9136762558
1061038899
1131500479
121853752b
13c851abc
14816c6d5
15555a8ee
hex3a36133

61038899 has 8 divisors (see below), whose sum is σ = 62255088. Its totient is φ = 59834880.

The previous prime is 61038883. The next prime is 61038911. The reversal of 61038899 is 99883016.

61038899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 61038899 - 24 = 61038883 is a prime.

It is a super-2 number, since 2×610388992 = 7451494382264402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61038829) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 7439 + ... + 13319.

It is an arithmetic number, because the mean of its divisors is an integer number (7781886).

Almost surely, 261038899 is an apocalyptic number.

61038899 is a deficient number, since it is larger than the sum of its proper divisors (1216189).

61038899 is a wasteful number, since it uses less digits than its factorization.

61038899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6085.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 61038899 is about 7812.7395323280. The cubic root of 61038899 is about 393.7333758329.

The spelling of 61038899 in words is "sixty-one million, thirty-eight thousand, eight hundred ninety-nine".

Divisors: 1 97 107 5881 10379 570457 629267 61038899