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1072072189 is a prime number
BaseRepresentation
bin111111111001101…
…000010111111101
32202201021220120101
4333321220113331
54143422302224
6254214121101
735365314616
oct7771502775
92681256511
101072072189
1150017a781
1225b050191
13141152c56
14a254cc0d
15641bb044
hex3fe685fd

1072072189 has 2 divisors, whose sum is σ = 1072072190. Its totient is φ = 1072072188.

The previous prime is 1072072147. The next prime is 1072072193. The reversal of 1072072189 is 9812702701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1070271225 + 1800964 = 32715^2 + 1342^2 .

It is a cyclic number.

It is not a de Polignac number, because 1072072189 - 215 = 1072039421 is a prime.

It is a super-2 number, since 2×10720721892 = 2298677556854503442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1072072289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536036094 + 536036095.

It is an arithmetic number, because the mean of its divisors is an integer number (536036095).

Almost surely, 21072072189 is an apocalyptic number.

It is an amenable number.

1072072189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072072189 is an equidigital number, since it uses as much as digits as its factorization.

1072072189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 1072072189 is about 32742.5134801835. The cubic root of 1072072189 is about 1023.4689619832.

The spelling of 1072072189 in words is "one billion, seventy-two million, seventy-two thousand, one hundred eighty-nine".