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3973801 = 131717981
BaseRepresentation
bin1111001010001010101001
321110220000211
433022022221
52004130201
6221101121
745530266
oct17121251
97426024
103973801
112274637
1213b77a1
13a91980
1475626d
15537651
hex3ca2a9

3973801 has 8 divisors (see below), whose sum is σ = 4531464. Its totient is φ = 3452160.

The previous prime is 3973787. The next prime is 3973807. The reversal of 3973801 is 1083793.

3973801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1651225 + 2322576 = 1285^2 + 1524^2 .

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 3973801 - 29 = 3973289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3973807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8770 + ... + 9211.

It is an arithmetic number, because the mean of its divisors is an integer number (566433).

Almost surely, 23973801 is an apocalyptic number.

It is an amenable number.

3973801 is a deficient number, since it is larger than the sum of its proper divisors (557663).

3973801 is a wasteful number, since it uses less digits than its factorization.

3973801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18011.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 3973801 is about 1993.4394899269. The cubic root of 3973801 is about 158.3927764493.

It can be divided in two parts, 3973 and 801, that added together give a palindrome (4774).

The spelling of 3973801 in words is "three million, nine hundred seventy-three thousand, eight hundred one".

Divisors: 1 13 17 221 17981 233753 305677 3973801