Search a number
-
+
61020200 = 2352305101
BaseRepresentation
bin1110100011000…
…1100000101000
311020211010222102
43220301200220
5111110121300
610015512532
71340443313
oct350614050
9136733872
1061020200
113149841a
1218528748
13c846437
14816597a
1555550d5
hex3a31828

61020200 has 24 divisors (see below), whose sum is σ = 141872430. Its totient is φ = 24408000.

The previous prime is 61020163. The next prime is 61020209. The reversal of 61020200 is 202016.

It can be written as a sum of positive squares in 3 ways, for example, as 57729604 + 3290596 = 7598^2 + 1814^2 .

It is not an unprimeable number, because it can be changed into a prime (61020209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152351 + ... + 152750.

Almost surely, 261020200 is an apocalyptic number.

It is an amenable number.

61020200 is an abundant number, since it is smaller than the sum of its proper divisors (80852230).

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

61020200 is a wasteful number, since it uses less digits than its factorization.

61020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305117 (or 305108 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 61020200 is about 7811.5427413540. The cubic root of 61020200 is about 393.6931655602.

Adding to 61020200 its reverse (202016), we get a palindrome (61222216).

The spelling of 61020200 in words is "sixty-one million, twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 305101 610202 1220404 1525505 2440808 3051010 6102020 7627525 12204040 15255050 30510100 61020200