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3995407137 = 31498938271
BaseRepresentation
bin1110111000100101…
…0001001100100001
3101022110001201020010
43232021101030201
531140311012022
61500243235133
7201003254211
oct35611211441
911273051203
103995407137
111770337577
12936078aa9
134b89a4047
1429c8ba241
15185b6950c
hexee251321

3995407137 has 8 divisors (see below), whose sum is σ = 5362963200. Its totient is φ = 2645727920.

The previous prime is 3995407123. The next prime is 3995407159. The reversal of 3995407137 is 7317045993.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3995407137 - 220 = 3994358561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3995400137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4468689 + ... + 4469582.

It is an arithmetic number, because the mean of its divisors is an integer number (670370400).

Almost surely, 23995407137 is an apocalyptic number.

It is an amenable number.

3995407137 is a deficient number, since it is larger than the sum of its proper divisors (1367556063).

3995407137 is a wasteful number, since it uses less digits than its factorization.

3995407137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8938423.

The product of its (nonzero) digits is 714420, while the sum is 48.

The square root of 3995407137 is about 63209.2330043642. The cubic root of 3995407137 is about 1586.7932596534.

The spelling of 3995407137 in words is "three billion, nine hundred ninety-five million, four hundred seven thousand, one hundred thirty-seven".

Divisors: 1 3 149 447 8938271 26814813 1331802379 3995407137