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1032428389 = 15733119867
BaseRepresentation
bin111101100010011…
…001101101100101
32122221200210111111
4331202121231211
54103300202024
6250240305021
734404332206
oct7542315545
92587623444
101032428389
1148a862803
12249912171
13135b82595
149b18d5ad
1560989a94
hex3d899b65

1032428389 has 8 divisors (see below), whose sum is σ = 1042195808. Its totient is φ = 1022701680.

The previous prime is 1032428321. The next prime is 1032428407. The reversal of 1032428389 is 9838242301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1032428389 - 27 = 1032428261 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 (1032428689) 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 7 ways as a sum of consecutive naturals, for example, 42034 + ... + 61900.

It is an arithmetic number, because the mean of its divisors is an integer number (130274476).

Almost surely, 21032428389 is an apocalyptic number.

It is an amenable number.

1032428389 is a deficient number, since it is larger than the sum of its proper divisors (9767419).

1032428389 is a wasteful number, since it uses less digits than its factorization.

1032428389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20355.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 1032428389 is about 32131.4237001724. The cubic root of 1032428389 is about 1010.6946791002.

The spelling of 1032428389 in words is "one billion, thirty-two million, four hundred twenty-eight thousand, three hundred eighty-nine".

Divisors: 1 157 331 19867 51967 3119119 6575977 1032428389