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995972357 = 2137466061
BaseRepresentation
bin111011010111010…
…101010100000101
32120102002122020002
4323113111110011
54014432103412
6242455051045
733452424332
oct7327252405
92512078202
10995972357
11471222856
12239670a85
1312b459b73
14963bd989
155c687dc2
hex3b5d5505

995972357 has 4 divisors (see below), whose sum is σ = 996440556. Its totient is φ = 995504160.

The previous prime is 995972323. The next prime is 995972359. The reversal of 995972357 is 753279599.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 753279599 = 937803927.

It can be written as a sum of positive squares in 2 ways, for example, as 412943041 + 583029316 = 20321^2 + 24146^2 .

It is a cyclic number.

It is not a de Polignac number, because 995972357 - 28 = 995972101 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 (995972359) 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, 230894 + ... + 235167.

It is an arithmetic number, because the mean of its divisors is an integer number (249110139).

Almost surely, 2995972357 is an apocalyptic number.

It is an amenable number.

995972357 is a deficient number, since it is larger than the sum of its proper divisors (468199).

995972357 is a wasteful number, since it uses less digits than its factorization.

995972357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468198.

The product of its digits is 5358150, while the sum is 56.

The square root of 995972357 is about 31559.0297220938. The cubic root of 995972357 is about 998.6556458551.

The spelling of 995972357 in words is "nine hundred ninety-five million, nine hundred seventy-two thousand, three hundred fifty-seven".

Divisors: 1 2137 466061 995972357