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1395490037 is a prime number
BaseRepresentation
bin101001100101101…
…0111110011110101
310121020212020110012
41103023113303311
510324221140122
6350250110005
746403320034
oct12313276365
93536766405
101395490037
11656799357
1232b41b305
1319315ca66
14d349a71b
15827a37e2
hex532d7cf5

1395490037 has 2 divisors, whose sum is σ = 1395490038. Its totient is φ = 1395490036.

The previous prime is 1395490027. The next prime is 1395490073. The reversal of 1395490037 is 7300945931.

Together with next prime (1395490073) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1171419076 + 224070961 = 34226^2 + 14969^2 .

It is a cyclic number.

It is not a de Polignac number, because 1395490037 - 24 = 1395490021 is a prime.

It is a super-2 number, since 2×13954900372 = 3894784886732522738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1395489976 and 1395490003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1395490027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697745018 + 697745019.

It is an arithmetic number, because the mean of its divisors is an integer number (697745019).

Almost surely, 21395490037 is an apocalyptic number.

It is an amenable number.

1395490037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1395490037 is an equidigital number, since it uses as much as digits as its factorization.

1395490037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 1395490037 is about 37356.2583377939. The cubic root of 1395490037 is about 1117.4864008808.

The spelling of 1395490037 in words is "one billion, three hundred ninety-five million, four hundred ninety thousand, thirty-seven".