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2774421 = 3213231031
BaseRepresentation
bin1010100101010110010101
312012221210100
422211112111
51202240141
6135244313
732403456
oct12452625
95187710
102774421
111625511
12b19699
13761a90
1452312d
1539c0b6
hex2a5595

2774421 has 24 divisors (see below), whose sum is σ = 4507776. Its totient is φ = 1631520.

The previous prime is 2774419. The next prime is 2774477. The reversal of 2774421 is 1244772.

It is a happy number.

2774421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2774421 - 21 = 2774419 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2774411) 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 23 ways as a sum of consecutive naturals, for example, 2176 + ... + 3206.

It is an arithmetic number, because the mean of its divisors is an integer number (187824).

22774421 is an apocalyptic number.

It is an amenable number.

2774421 is a deficient number, since it is larger than the sum of its proper divisors (1733355).

2774421 is a wasteful number, since it uses less digits than its factorization.

2774421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073 (or 1070 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 2774421 is about 1665.6593289145. The cubic root of 2774421 is about 140.5154637387.

The spelling of 2774421 in words is "two million, seven hundred seventy-four thousand, four hundred twenty-one".

Divisors: 1 3 9 13 23 39 69 117 207 299 897 1031 2691 3093 9279 13403 23713 40209 71139 120627 213417 308269 924807 2774421