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1030032213 = 37471043599
BaseRepresentation
bin111101011001010…
…000101101010101
32122210012001120020
4331121100231111
54102142012323
6250113055353
734345062240
oct7531205525
92583161506
101030032213
114894764a1
12248b57559
13135523a22
149ab28257
1560664ae3
hex3d650b55

1030032213 has 16 divisors (see below), whose sum is σ = 1602969600. Its totient is φ = 576066096.

The previous prime is 1030032209. The next prime is 1030032301. The reversal of 1030032213 is 3122300301.

It is not a de Polignac number, because 1030032213 - 22 = 1030032209 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1030032192 and 1030032201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030036213) 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, 520813 + ... + 522786.

It is an arithmetic number, because the mean of its divisors is an integer number (100185600).

Almost surely, 21030032213 is an apocalyptic number.

It is an amenable number.

1030032213 is a deficient number, since it is larger than the sum of its proper divisors (572937387).

1030032213 is a wasteful number, since it uses less digits than its factorization.

1030032213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043656.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1030032213 is about 32094.1149278182. The cubic root of 1030032213 is about 1009.9121620830.

Adding to 1030032213 its reverse (3122300301), we get a palindrome (4152332514).

The spelling of 1030032213 in words is "one billion, thirty million, thirty-two thousand, two hundred thirteen".

Divisors: 1 3 7 21 47 141 329 987 1043599 3130797 7305193 21915579 49049153 147147459 343344071 1030032213