Search a number
-
+
61006260 = 22357145253
BaseRepresentation
bin1110100010111…
…0000110110100
311020210102212010
43220232012310
5111104200020
610015324220
71340354550
oct350560664
9136712763
1061006260
11314889a7
1218520670
13c83cca3
148160860
155550de0
hex3a2e1b4

61006260 has 48 divisors (see below), whose sum is σ = 195221376. Its totient is φ = 13944192.

The previous prime is 61006223. The next prime is 61006271. The reversal of 61006260 is 6260016.

61006260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 72207 + ... + 73046.

It is an arithmetic number, because the mean of its divisors is an integer number (4067112).

Almost surely, 261006260 is an apocalyptic number.

61006260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61006260 is an abundant number, since it is smaller than the sum of its proper divisors (134215116).

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

61006260 is a wasteful number, since it uses less digits than its factorization.

61006260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145272 (or 145270 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 61006260 is about 7810.6504210597. The cubic root of 61006260 is about 393.6631836815.

Adding to 61006260 its reverse (6260016), we get a palindrome (67266276).

The spelling of 61006260 in words is "sixty-one million, six thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 145253 290506 435759 581012 726265 871518 1016771 1452530 1743036 2033542 2178795 2905060 3050313 4067084 4357590 5083855 6100626 8715180 10167710 12201252 15251565 20335420 30503130 61006260