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1025363983 = 7146480569
BaseRepresentation
bin111101000111011…
…101000000001111
32122110101212221211
4331013131000033
54044443121413
6245425035251
734260310240
oct7507350017
92573355854
101025363983
11486878156
12247485b27
1313457ac67
149a270cc7
156004183d
hex3d1dd00f

1025363983 has 4 divisors (see below), whose sum is σ = 1171844560. Its totient is φ = 878883408.

The previous prime is 1025363947. The next prime is 1025364071. The reversal of 1025363983 is 3893635201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1025363983 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 (1025363923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73240278 + ... + 73240291.

It is an arithmetic number, because the mean of its divisors is an integer number (292961140).

Almost surely, 21025363983 is an apocalyptic number.

1025363983 is a deficient number, since it is larger than the sum of its proper divisors (146480577).

1025363983 is an equidigital number, since it uses as much as digits as its factorization.

1025363983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146480576.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 1025363983 is about 32021.3051420457. The cubic root of 1025363983 is about 1008.3841702363.

The spelling of 1025363983 in words is "one billion, twenty-five million, three hundred sixty-three thousand, nine hundred eighty-three".

Divisors: 1 7 146480569 1025363983