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1141488572 = 227311399461
BaseRepresentation
bin100010000001001…
…1011101110111100
32221112220121221112
41010002123232330
54314210113242
6305134021152
740200331010
oct10402335674
92845817845
101141488572
11536382294
1227a3477b8
13152648c33
14ab85c540
156a32dc82
hex4409bbbc

1141488572 has 48 divisors (see below), whose sum is σ = 2373826560. Its totient is φ = 469972800.

The previous prime is 1141488571. The next prime is 1141488599. The reversal of 1141488572 is 2758841411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141488571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115922 + ... + 125382.

It is an arithmetic number, because the mean of its divisors is an integer number (49454720).

Almost surely, 21141488572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1141488572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1186913280).

1141488572 is an abundant number, since it is smaller than the sum of its proper divisors (1232337988).

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

1141488572 is a wasteful number, since it uses less digits than its factorization.

1141488572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9642 (or 9640 counting only the distinct ones).

The product of its digits is 71680, while the sum is 41.

The square root of 1141488572 is about 33785.9226897831. The cubic root of 1141488572 is about 1045.0984155230.

The spelling of 1141488572 in words is "one billion, one hundred forty-one million, four hundred eighty-eight thousand, five hundred seventy-two".

Divisors: 1 2 4 7 14 28 31 62 124 139 217 278 434 556 868 973 1946 3892 4309 8618 9461 17236 18922 30163 37844 60326 66227 120652 132454 264908 293291 586582 1173164 1315079 2053037 2630158 4106074 5260316 8212148 9205553 18411106 36822212 40767449 81534898 163069796 285372143 570744286 1141488572