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1128369452 = 22725756987
BaseRepresentation
bin100001101000001…
…1000110100101100
32220122020002220012
41003100120310230
54302330310302
6303544512352
736650660600
oct10320306454
92818202805
101128369452
11529a31741
12275a7b6b8
1314ca04742
14a9c05500
15690dba52
hex43418d2c

1128369452 has 18 divisors (see below), whose sum is σ = 2297038212. Its totient is φ = 483586824.

The previous prime is 1128369449. The next prime is 1128369481. The reversal of 1128369452 is 2549638211.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2878298 + ... + 2878689.

It is an arithmetic number, because the mean of its divisors is an integer number (127613234).

Almost surely, 21128369452 is an apocalyptic number.

It is an amenable number.

1128369452 is an abundant number, since it is smaller than the sum of its proper divisors (1168668760).

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

1128369452 is a wasteful number, since it uses less digits than its factorization.

1128369452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5757005 (or 5756996 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 1128369452 is about 33591.2109338142. The cubic root of 1128369452 is about 1041.0792088587.

The spelling of 1128369452 in words is "one billion, one hundred twenty-eight million, three hundred sixty-nine thousand, four hundred fifty-two".

Divisors: 1 2 4 7 14 28 49 98 196 5756987 11513974 23027948 40298909 80597818 161195636 282092363 564184726 1128369452