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1337405089 = 3623369143
BaseRepresentation
bin100111110110111…
…0010111010100001
310110012120012212211
41033231302322201
510214333430324
6340413122121
745066520126
oct11755627241
93405505784
101337405089
11626a26269
12313a89341
13184103677
14c989a74d
157c62d294
hex4fb72ea1

1337405089 has 4 divisors (see below), whose sum is σ = 1337777856. Its totient is φ = 1337032324.

The previous prime is 1337405087. The next prime is 1337405101. The reversal of 1337405089 is 9805047331.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9805047331 = 65211503611.

It is a cyclic number.

It is not a de Polignac number, because 1337405089 - 21 = 1337405087 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1337405087) 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, 180949 + ... + 188194.

It is an arithmetic number, because the mean of its divisors is an integer number (334444464).

Almost surely, 21337405089 is an apocalyptic number.

It is an amenable number.

1337405089 is a deficient number, since it is larger than the sum of its proper divisors (372767).

1337405089 is an equidigital number, since it uses as much as digits as its factorization.

1337405089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372766.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1337405089 is about 36570.5494763204. The cubic root of 1337405089 is about 1101.7616644928.

The spelling of 1337405089 in words is "one billion, three hundred thirty-seven million, four hundred five thousand, eighty-nine".

Divisors: 1 3623 369143 1337405089