Search a number
-
+
3988373 = 4784859
BaseRepresentation
bin1111001101101110010101
321111122000112
433031232111
52010111443
6221252405
745620624
oct17155625
97448015
103988373
112284584
121404105
13a984ac
1475b6bb
1553bb18
hex3cdb95

3988373 has 4 divisors (see below), whose sum is σ = 4073280. Its totient is φ = 3903468.

The previous prime is 3988351. The next prime is 3988381. The reversal of 3988373 is 3738893.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3738893 = 4386951.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3988373 is a prime.

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 3988373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3988343) 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, 42383 + ... + 42476.

It is an arithmetic number, because the mean of its divisors is an integer number (1018320).

Almost surely, 23988373 is an apocalyptic number.

It is an amenable number.

3988373 is a deficient number, since it is larger than the sum of its proper divisors (84907).

3988373 is an equidigital number, since it uses as much as digits as its factorization.

3988373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84906.

The product of its digits is 108864, while the sum is 41.

The square root of 3988373 is about 1997.0911346256. The cubic root of 3988373 is about 158.5861499970.

The spelling of 3988373 in words is "three million, nine hundred eighty-eight thousand, three hundred seventy-three".

Divisors: 1 47 84859 3988373