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2555212 = 221158073
BaseRepresentation
bin1001101111110101001100
311210211002111
421233311030
51123231322
6130433404
730501412
oct11576514
94724074
102555212
111495850
12a32864
136b607a
144a72b2
15357177
hex26fd4c

2555212 has 12 divisors (see below), whose sum is σ = 4878216. Its totient is φ = 1161440.

The previous prime is 2555197. The next prime is 2555213. The reversal of 2555212 is 2125552.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2555213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 28993 + ... + 29080.

It is an arithmetic number, because the mean of its divisors is an integer number (406518).

22555212 is an apocalyptic number.

2555212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2555212 is a deficient number, since it is larger than the sum of its proper divisors (2323004).

2555212 is a wasteful number, since it uses less digits than its factorization.

2555212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58088 (or 58086 counting only the distinct ones).

The product of its digits is 1000, while the sum is 22.

The square root of 2555212 is about 1598.5030497312. The cubic root of 2555212 is about 136.7127374586.

The spelling of 2555212 in words is "two million, five hundred fifty-five thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 58073 116146 232292 638803 1277606 2555212