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1032140221 = 7709207967
BaseRepresentation
bin111101100001010…
…011010110111101
32122221011011012121
4331201103112331
54103211441341
6250230202541
734402022110
oct7541232675
92587134177
101032140221
1148a686252
122497b3451
13135ab1378
149b116577
156092e4d1
hex3d8535bd

1032140221 has 8 divisors (see below), whose sum is σ = 1181258240. Its totient is φ = 883439568.

The previous prime is 1032140201. The next prime is 1032140231. The reversal of 1032140221 is 1220412301.

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 1032140221 - 27 = 1032140093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1032140195 and 1032140204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032140201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99021 + ... + 108946.

It is an arithmetic number, because the mean of its divisors is an integer number (147657280).

Almost surely, 21032140221 is an apocalyptic number.

It is an amenable number.

1032140221 is a deficient number, since it is larger than the sum of its proper divisors (149118019).

1032140221 is an equidigital number, since it uses as much as digits as its factorization.

1032140221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208683.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1032140221 is about 32126.9391788262. The cubic root of 1032140221 is about 1010.6006364304.

Adding to 1032140221 its reverse (1220412301), we get a palindrome (2252552522).

The spelling of 1032140221 in words is "one billion, thirty-two million, one hundred forty thousand, two hundred twenty-one".

Divisors: 1 7 709 4963 207967 1455769 147448603 1032140221