Search a number
-
+
2778060 = 223546301
BaseRepresentation
bin1010100110001111001100
312020010210010
422212033030
51202344220
6135313220
732420205
oct12461714
95203703
102778060
11162821a
12b1b810
1376362c
145245ac
1539d1e0
hex2a63cc

2778060 has 24 divisors (see below), whose sum is σ = 7778736. Its totient is φ = 740800.

The previous prime is 2778049. The next prime is 2778067. The reversal of 2778060 is 608772.

2778060 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 (30).

It is not an unprimeable number, because it can be changed into a prime (2778067) 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 7 ways as a sum of consecutive naturals, for example, 23091 + ... + 23210.

It is an arithmetic number, because the mean of its divisors is an integer number (324114).

22778060 is an apocalyptic number.

2778060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2778060 is an abundant number, since it is smaller than the sum of its proper divisors (5000676).

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

2778060 is a wasteful number, since it uses less digits than its factorization.

2778060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46313 (or 46311 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 2778060 is about 1666.7513311829. The cubic root of 2778060 is about 140.5768714312.

It can be divided in two parts, 27 and 78060, that added together give a palindrome (78087).

The spelling of 2778060 in words is "two million, seven hundred seventy-eight thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 46301 92602 138903 185204 231505 277806 463010 555612 694515 926020 1389030 2778060