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2389031 is a prime number
BaseRepresentation
bin1001000111010000100111
311111101010122
421013100213
51102422111
6123112155
726210051
oct11072047
94441118
102389031
111391a07
1297265b
13658538
144628d1
15322cdb
hex247427

2389031 has 2 divisors, whose sum is σ = 2389032. Its totient is φ = 2389030.

The previous prime is 2389021. The next prime is 2389043. The reversal of 2389031 is 1309832.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2389031 is a prime.

It is a super-2 number, since 2×23890312 = 11414938237922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2389001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194515 + 1194516.

It is an arithmetic number, because the mean of its divisors is an integer number (1194516).

22389031 is an apocalyptic number.

2389031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2389031 is an equidigital number, since it uses as much as digits as its factorization.

2389031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2389031 is about 1545.6490546046. The cubic root of 2389031 is about 133.6823059777.

The spelling of 2389031 in words is "two million, three hundred eighty-nine thousand, thirty-one".