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2040023389 is a prime number
BaseRepresentation
bin111100110011000…
…0100100101011101
312021011122220222211
41321212010211131
513134221222024
6534232440421
7101360625025
oct17146044535
95234586884
102040023389
119575a3848
1248b249111
1326684b741
14154d16a85
15be16b594
hex7998495d

2040023389 has 2 divisors, whose sum is σ = 2040023390. Its totient is φ = 2040023388.

The previous prime is 2040023383. The next prime is 2040023413. The reversal of 2040023389 is 9833200402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1986484900 + 53538489 = 44570^2 + 7317^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040023389 - 29 = 2040022877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2040023389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040023383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020011694 + 1020011695.

It is an arithmetic number, because the mean of its divisors is an integer number (1020011695).

Almost surely, 22040023389 is an apocalyptic number.

It is an amenable number.

2040023389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040023389 is an equidigital number, since it uses as much as digits as its factorization.

2040023389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2040023389 is about 45166.6180823847. The cubic root of 2040023389 is about 1268.2699880280.

The spelling of 2040023389 in words is "two billion, forty million, twenty-three thousand, three hundred eighty-nine".