Search a number
-
+
61488402 = 2310248067
BaseRepresentation
bin1110101010001…
…1110100010010
311021200221020020
43222203310102
5111220112102
610033524310
71344433323
oct352436422
9137627206
1061488402
1131788168
1218713696
13c97b591
14824844a
1555e8bbc
hex3aa3d12

61488402 has 8 divisors (see below), whose sum is σ = 122976816. Its totient is φ = 20496132.

The previous prime is 61488391. The next prime is 61488403. The reversal of 61488402 is 20488416.

61488402 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.

61488402 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (61488403) 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 3 ways as a sum of consecutive naturals, for example, 5124028 + ... + 5124039.

It is an arithmetic number, because the mean of its divisors is an integer number (15372102).

Almost surely, 261488402 is an apocalyptic number.

61488402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61488402 is a wasteful number, since it uses less digits than its factorization.

61488402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10248072.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 61488402 is about 7841.4540743411. The cubic root of 61488402 is about 394.6975241362.

The spelling of 61488402 in words is "sixty-one million, four hundred eighty-eight thousand, four hundred two".

Divisors: 1 2 3 6 10248067 20496134 30744201 61488402