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1144772 = 221372089
BaseRepresentation
bin100010111011111000100
32011011022222
410113133010
5243113042
640311512
712505346
oct4273704
92134288
101144772
117120a2
12472598
133110a5
1421b296
151792d2
hex1177c4

1144772 has 12 divisors (see below), whose sum is σ = 2018940. Its totient is φ = 567936.

The previous prime is 1144757. The next prime is 1144783. The reversal of 1144772 is 2774411.

It can be written as a sum of positive squares in 2 ways, for example, as 857476 + 287296 = 926^2 + 536^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 497 + ... + 1592.

It is an arithmetic number, because the mean of its divisors is an integer number (168245).

21144772 is an apocalyptic number.

It is an amenable number.

1144772 is a deficient number, since it is larger than the sum of its proper divisors (874168).

1144772 is a wasteful number, since it uses less digits than its factorization.

1144772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230 (or 2228 counting only the distinct ones).

The product of its digits is 1568, while the sum is 26.

The square root of 1144772 is about 1069.9401852440. The cubic root of 1144772 is about 104.6099511973.

The spelling of 1144772 in words is "one million, one hundred forty-four thousand, seven hundred seventy-two".

Divisors: 1 2 4 137 274 548 2089 4178 8356 286193 572386 1144772