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1025234453 = 17234721187
BaseRepresentation
bin111101000110111…
…101011000010101
32122110011022021102
4331012331120111
54044430000303
6245422155445
734256230505
oct7506753025
92573138242
101025234453
11486799901
12247422b85
13134534009
149a239a05
1560018288
hex3d1bd615

1025234453 has 24 divisors (see below), whose sum is σ = 1158328512. Its totient is φ = 902574464.

The previous prime is 1025234389. The next prime is 1025234459. The reversal of 1025234453 is 3544325201.

It is a happy number.

It is not a de Polignac number, because 1025234453 - 26 = 1025234389 is a prime.

It is a super-2 number, since 2×10252344532 = 2102211367236418418, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025234459) 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 23 ways as a sum of consecutive naturals, for example, 863126 + ... + 864312.

It is an arithmetic number, because the mean of its divisors is an integer number (48263688).

Almost surely, 21025234453 is an apocalyptic number.

It is an amenable number.

1025234453 is a deficient number, since it is larger than the sum of its proper divisors (133094059).

1025234453 is a wasteful number, since it uses less digits than its factorization.

1025234453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321 (or 1274 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 1025234453 is about 32019.2825185075. The cubic root of 1025234453 is about 1008.3417067781.

Adding to 1025234453 its reverse (3544325201), we get a palindrome (4569559654).

The spelling of 1025234453 in words is "one billion, twenty-five million, two hundred thirty-four thousand, four hundred fifty-three".

Divisors: 1 17 23 47 391 799 1081 1187 2209 18377 20179 27301 37553 50807 55789 464117 863719 948413 1283147 2622083 21813499 44575411 60307909 1025234453