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44868381 = 314956127
BaseRepresentation
bin1010101100101…
…0001100011101
310010102112211220
42223022030131
542441242011
64241403553
71053242415
oct253121435
9103375756
1044868381
1123366308
12130395b9
1393ac74c
145d5d645
153e14506
hex2aca31d

44868381 has 4 divisors (see below), whose sum is σ = 59824512. Its totient is φ = 29912252.

The previous prime is 44868361. The next prime is 44868401. The reversal of 44868381 is 18386844.

44868381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is an interprime number because it is at equal distance from previous prime (44868361) and next prime (44868401).

It is a cyclic number.

It is not a de Polignac number, because 44868381 - 25 = 44868349 is a prime.

It is a super-2 number, since 2×448683812 = 4026343227122322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44868301) 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, 7478061 + ... + 7478066.

It is an arithmetic number, because the mean of its divisors is an integer number (14956128).

Almost surely, 244868381 is an apocalyptic number.

It is an amenable number.

44868381 is a deficient number, since it is larger than the sum of its proper divisors (14956131).

44868381 is a wasteful number, since it uses less digits than its factorization.

44868381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14956130.

The product of its digits is 147456, while the sum is 42.

The square root of 44868381 is about 6698.3864474961. The cubic root of 44868381 is about 355.3422105134.

The spelling of 44868381 in words is "forty-four million, eight hundred sixty-eight thousand, three hundred eighty-one".

Divisors: 1 3 14956127 44868381