Search a number
-
+
61828512 = 253644047
BaseRepresentation
bin1110101111011…
…0110110100000
311022100012202220
43223312312200
5111312003022
610045111040
71350351024
oct353666640
9138305686
1061828512
113199a749
1218858480
13ca6a325
1482d6384
15566485c
hex3af6da0

61828512 has 24 divisors (see below), whose sum is σ = 162300096. Its totient is φ = 20609472.

The previous prime is 61828499. The next prime is 61828513. The reversal of 61828512 is 21582816.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×618285122 = 7645529792268288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61828513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321928 + ... + 322119.

It is an arithmetic number, because the mean of its divisors is an integer number (6762504).

Almost surely, 261828512 is an apocalyptic number.

It is an amenable number.

61828512 is an abundant number, since it is smaller than the sum of its proper divisors (100471584).

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

61828512 is a wasteful number, since it uses less digits than its factorization.

61828512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644060 (or 644052 counting only the distinct ones).

The product of its digits is 7680, while the sum is 33.

The square root of 61828512 is about 7863.1108347778. The cubic root of 61828512 is about 395.4239149169.

The spelling of 61828512 in words is "sixty-one million, eight hundred twenty-eight thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 644047 1288094 1932141 2576188 3864282 5152376 7728564 10304752 15457128 20609504 30914256 61828512