Search a number
-
+
61946300 = 225213172803
BaseRepresentation
bin1110110001001…
…1100110111100
311022120012100102
43230103212330
5111324240200
610051420232
71351351313
oct354234674
9138505312
1061946300
1131a70199
12188b4678
13caabb20
14832727a
1556896d5
hex3b139bc

61946300 has 72 divisors (see below), whose sum is σ = 153333936. Its totient is φ = 21519360.

The previous prime is 61946299. The next prime is 61946309. The reversal of 61946300 is 364916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61946309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20699 + ... + 23501.

It is an arithmetic number, because the mean of its divisors is an integer number (2129638).

Almost surely, 261946300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61946300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76666968).

61946300 is an abundant number, since it is smaller than the sum of its proper divisors (91387636).

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

61946300 is a wasteful number, since it uses less digits than its factorization.

61946300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847 (or 2840 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 61946300 is about 7870.5971819170. The cubic root of 61946300 is about 395.6748598008.

The spelling of 61946300 in words is "sixty-one million, nine hundred forty-six thousand, three hundred".

Divisors: 1 2 4 5 10 13 17 20 25 26 34 50 52 65 68 85 100 130 170 221 260 325 340 425 442 650 850 884 1105 1300 1700 2210 2803 4420 5525 5606 11050 11212 14015 22100 28030 36439 47651 56060 70075 72878 95302 140150 145756 182195 190604 238255 280300 364390 476510 619463 728780 910975 953020 1191275 1238926 1821950 2382550 2477852 3097315 3643900 4765100 6194630 12389260 15486575 30973150 61946300