Search a number
-
+
95978381 = 101950281
BaseRepresentation
bin1011011100010…
…00001110001101
320200121012120212
411232020032031
5144032302011
613305052205
72243542232
oct556101615
9220535525
1095978381
114a1a4a84
1228187065
1316b66155
14ca65789
15865d08b
hex5b8838d

95978381 has 4 divisors (see below), whose sum is σ = 96928764. Its totient is φ = 95028000.

The previous prime is 95978353. The next prime is 95978383. The reversal of 95978381 is 18387959.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18387959 = 101182059.

It can be written as a sum of positive squares in 2 ways, for example, as 66275881 + 29702500 = 8141^2 + 5450^2 .

It is a cyclic number.

It is not a de Polignac number, because 95978381 - 226 = 28869517 is a prime.

It is a super-2 number, since 2×959783812 = 18423699238762322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (95978383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475040 + ... + 475241.

It is an arithmetic number, because the mean of its divisors is an integer number (24232191).

Almost surely, 295978381 is an apocalyptic number.

It is an amenable number.

95978381 is a deficient number, since it is larger than the sum of its proper divisors (950383).

95978381 is a wasteful number, since it uses less digits than its factorization.

95978381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950382.

The product of its digits is 544320, while the sum is 50.

The square root of 95978381 is about 9796.8556690399. The cubic root of 95978381 is about 457.8513228059.

The spelling of 95978381 in words is "ninety-five million, nine hundred seventy-eight thousand, three hundred eighty-one".

Divisors: 1 101 950281 95978381