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1201457052 = 223247710081
BaseRepresentation
bin100011110011100…
…1100011110011100
310002201202100020100
41013213030132130
54430033111202
6315115221100
741526134145
oct10747143634
93081670210
101201457052
11567211514
12296447790
13161bb4743
14b57ccacc
157072741c
hex479cc79c

1201457052 has 36 divisors (see below), whose sum is σ = 3101638176. Its totient is φ = 391964160.

The previous prime is 1201457051. The next prime is 1201457137. The reversal of 1201457052 is 2507541021.

1201457052 is a `hidden beast` number, since 1 + 201 + 457 + 0 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201457051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 353349 + ... + 356732.

It is an arithmetic number, because the mean of its divisors is an integer number (86156616).

Almost surely, 21201457052 is an apocalyptic number.

1201457052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201457052 is an abundant number, since it is smaller than the sum of its proper divisors (1900181124).

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

1201457052 is a wasteful number, since it uses less digits than its factorization.

1201457052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710138 (or 710133 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 1201457052 is about 34662.0405054290. The cubic root of 1201457052 is about 1063.0884921111.

Adding to 1201457052 its reverse (2507541021), we get a palindrome (3708998073).

The spelling of 1201457052 in words is "one billion, two hundred one million, four hundred fifty-seven thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 47 94 141 188 282 423 564 846 1692 710081 1420162 2130243 2840324 4260486 6390729 8520972 12781458 25562916 33373807 66747614 100121421 133495228 200242842 300364263 400485684 600728526 1201457052