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1025320461 = 311233133349
BaseRepresentation
bin111101000111010…
…010011000001101
32122110022200020220
4331013102120031
54044440223321
6245424101553
734260036324
oct7507223015
92573280226
101025320461
11486848490
122474648b9
131345641c9
149a25d0bb
15600339c6
hex3d1d260d

1025320461 has 16 divisors (see below), whose sum is σ = 1497787200. Its totient is φ = 618734720.

The previous prime is 1025320453. The next prime is 1025320477. The reversal of 1025320461 is 1640235201.

1025320461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1025320461 - 23 = 1025320453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025320421) 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, 58986 + ... + 74363.

It is an arithmetic number, because the mean of its divisors is an integer number (93611700).

Almost surely, 21025320461 is an apocalyptic number.

1025320461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1025320461 is a deficient number, since it is larger than the sum of its proper divisors (472466739).

1025320461 is a wasteful number, since it uses less digits than its factorization.

1025320461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133596.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1025320461 is about 32020.6255560381. The cubic root of 1025320461 is about 1008.3699029395.

Adding to 1025320461 its reverse (1640235201), we get a palindrome (2665555662).

The spelling of 1025320461 in words is "one billion, twenty-five million, three hundred twenty thousand, four hundred sixty-one".

Divisors: 1 3 11 33 233 699 2563 7689 133349 400047 1466839 4400517 31070317 93210951 341773487 1025320461