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2774020 = 225532617
BaseRepresentation
bin1010100101010000000100
312012221020111
422211100010
51202232040
6135242404
732402344
oct12452004
95187214
102774020
111625187
12b19404
13761842
14522d24
1539bdea
hex2a5404

2774020 has 24 divisors (see below), whose sum is σ = 5937624. Its totient is φ = 1088256.

The previous prime is 2774011. The next prime is 2774027. The reversal of 2774020 is 204772.

It can be written as a sum of positive squares in 4 ways, for example, as 1290496 + 1483524 = 1136^2 + 1218^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2773982 and 2774000.

It is not an unprimeable number, because it can be changed into a prime (2774027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249 + ... + 2368.

It is an arithmetic number, because the mean of its divisors is an integer number (247401).

22774020 is an apocalyptic number.

2774020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2774020 is an abundant number, since it is smaller than the sum of its proper divisors (3163604).

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

2774020 is a wasteful number, since it uses less digits than its factorization.

2774020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679 (or 2677 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 2774020 is about 1665.5389518111. The cubic root of 2774020 is about 140.5086936275.

Adding to 2774020 its reverse (204772), we get a palindrome (2978792).

It can be divided in two parts, 27 and 74020, that added together give a palindrome (74047).

The spelling of 2774020 in words is "two million, seven hundred seventy-four thousand, twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 2617 5234 10468 13085 26170 52340 138701 277402 554804 693505 1387010 2774020