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1025432413 = 19211932381
BaseRepresentation
bin111101000111101…
…101101101011101
32122110112100211021
4331013231231131
54100002314123
6245430324141
734261013605
oct7507555535
92573470737
101025432413
11486914605
122474b9651
131345a3155
149a28bc05
1560056c5d
hex3d1edb5d

1025432413 has 12 divisors (see below), whose sum is σ = 1083605148. Its totient is φ = 970240320.

The previous prime is 1025432407. The next prime is 1025432531. The reversal of 1025432413 is 3142345201.

It can be written as a sum of positive squares in 2 ways, for example, as 165945924 + 859486489 = 12882^2 + 29317^2 .

It is not a de Polignac number, because 1025432413 - 213 = 1025424221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025432113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 429483 + ... + 431863.

It is an arithmetic number, because the mean of its divisors is an integer number (90300429).

Almost surely, 21025432413 is an apocalyptic number.

It is an amenable number.

1025432413 is a deficient number, since it is larger than the sum of its proper divisors (58172735).

1025432413 is a wasteful number, since it uses less digits than its factorization.

1025432413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612 (or 3593 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1025432413 is about 32022.3736315720. The cubic root of 1025432413 is about 1008.4066020085.

Adding to 1025432413 its reverse (3142345201), we get a palindrome (4167777614).

The spelling of 1025432413 in words is "one billion, twenty-five million, four hundred thirty-two thousand, four hundred thirteen".

Divisors: 1 19 361 1193 2381 22667 45239 430673 859541 2840533 53970127 1025432413