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1393012037 = 1973316423
BaseRepresentation
bin101001100000111…
…1010110101000101
310121002012100021102
41103001322311011
510323102341122
6350121025445
746343256404
oct12301726505
93532170242
101393012037
1165535661a
1232a625285
131927a2ba1
14d301363b
1582464492
hex5307ad45

1393012037 has 4 divisors (see below), whose sum is σ = 1466328480. Its totient is φ = 1319695596.

The previous prime is 1393012031. The next prime is 1393012057. The reversal of 1393012037 is 7302103931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1393012037 - 24 = 1393012021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393012031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36658193 + ... + 36658230.

It is an arithmetic number, because the mean of its divisors is an integer number (366582120).

Almost surely, 21393012037 is an apocalyptic number.

It is an amenable number.

1393012037 is a deficient number, since it is larger than the sum of its proper divisors (73316443).

1393012037 is an equidigital number, since it uses as much as digits as its factorization.

1393012037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73316442.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 1393012037 is about 37323.0764675154. The cubic root of 1393012037 is about 1116.8245612130.

Adding to 1393012037 its reverse (7302103931), we get a palindrome (8695115968).

The spelling of 1393012037 in words is "one billion, three hundred ninety-three million, twelve thousand, thirty-seven".

Divisors: 1 19 73316423 1393012037