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1144902 = 231121983
BaseRepresentation
bin100010111100001000110
32011011111210
410113201012
5243114102
640312250
712505623
oct4274106
92134453
101144902
11712200
12472686
13311175
1421b34a
1517936c
hex117846

1144902 has 48 divisors (see below), whose sum is σ = 2681280. Its totient is φ = 324720.

The previous prime is 1144901. The next prime is 1144903. The reversal of 1144902 is 2094411.

It is an interprime number because it is at equal distance from previous prime (1144901) and next prime (1144903).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13753 + ... + 13835.

It is an arithmetic number, because the mean of its divisors is an integer number (55860).

21144902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1340640).

1144902 is an abundant number, since it is smaller than the sum of its proper divisors (1536378).

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

1144902 is a wasteful number, since it uses less digits than its factorization.

1144902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1144902 is about 1070.0009345790. Note that the first 3 decimals coincide. The cubic root of 1144902 is about 104.6139108733.

The spelling of 1144902 in words is "one million, one hundred forty-four thousand, nine hundred two".

Divisors: 1 2 3 6 11 19 22 33 38 57 66 83 114 121 166 209 242 249 363 418 498 627 726 913 1254 1577 1826 2299 2739 3154 4598 4731 5478 6897 9462 10043 13794 17347 20086 30129 34694 52041 60258 104082 190817 381634 572451 1144902