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95128381 = 293280289
BaseRepresentation
bin1011010101110…
…00101100111101
320122000000121101
411222320230331
5143323102011
613234533101
72233402135
oct552705475
9218000541
1095128381
11497743a7
1227a37191
13169292aa
14c8c3ac5
1585412c1
hex5ab8b3d

95128381 has 4 divisors (see below), whose sum is σ = 98408700. Its totient is φ = 91848064.

The previous prime is 95128373. The next prime is 95128441. The reversal of 95128381 is 18382159.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37884025 + 57244356 = 6155^2 + 7566^2 .

It is a cyclic number.

It is not a de Polignac number, because 95128381 - 23 = 95128373 is a prime.

It is a super-2 number, since 2×951283812 = 18098817743362322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 95128381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (95128331) 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, 1640116 + ... + 1640173.

It is an arithmetic number, because the mean of its divisors is an integer number (24602175).

Almost surely, 295128381 is an apocalyptic number.

It is an amenable number.

95128381 is a deficient number, since it is larger than the sum of its proper divisors (3280319).

95128381 is a wasteful number, since it uses less digits than its factorization.

95128381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280318.

The product of its digits is 17280, while the sum is 37.

The square root of 95128381 is about 9753.3779276720. The cubic root of 95128381 is about 456.4957113725.

The spelling of 95128381 in words is "ninety-five million, one hundred twenty-eight thousand, three hundred eighty-one".

Divisors: 1 29 3280289 95128381