Search a number
-
+
61676160 = 2735713353
BaseRepresentation
bin1110101101000…
…1101010000000
311022001110210020
43223101222000
5111242114120
610041533440
71346144610
oct353215200
9138043706
1061676160
11318a6237
12187a4280
13ca15b90
148296a40
155634640
hex3ad1a80

61676160 has 256 divisors, whose sum is σ = 242645760. Its totient is φ = 12976128.

The previous prime is 61676159. The next prime is 61676161. The reversal of 61676160 is 6167616.

Added to its reverse (6167616) it gives a triangular number (67843776 = T11648).

It is an interprime number because it is at equal distance from previous prime (61676159) and next prime (61676161).

It is not an unprimeable number, because it can be changed into a prime (61676161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174544 + ... + 174896.

It is an arithmetic number, because the mean of its divisors is an integer number (947835).

Almost surely, 261676160 is an apocalyptic number.

61676160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61676160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121322880).

61676160 is an abundant number, since it is smaller than the sum of its proper divisors (180969600).

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

61676160 is a wasteful number, since it uses less digits than its factorization.

61676160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 61676160 is about 7853.4170906682. The cubic root of 61676160 is about 395.0988589818.

Adding to 61676160 its reverse (6167616), we get a triangular number (67843776 = T11648).

The spelling of 61676160 in words is "sixty-one million, six hundred seventy-six thousand, one hundred sixty".