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3974230693 = 4937804989
BaseRepresentation
bin1110110011100001…
…1111001010100101
3101020222012211121101
43230320133022211
531114400340233
61454205320101
7200325255256
oct35470371245
911228184541
103974230693
11175a393384
1292ab66031
134b449b2c4
14299b66b2d
15183d84c7d
hexece1f2a5

3974230693 has 4 divisors (see below), whose sum is σ = 3975040620. Its totient is φ = 3973420768.

The previous prime is 3974230691. The next prime is 3974230699. The reversal of 3974230693 is 3960324793.

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 902521764 + 3071708929 = 30042^2 + 55423^2 .

It is a cyclic number.

It is not a de Polignac number, because 3974230693 - 21 = 3974230691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974230691) 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, 397558 + ... + 407431.

It is an arithmetic number, because the mean of its divisors is an integer number (993760155).

Almost surely, 23974230693 is an apocalyptic number.

It is an amenable number.

3974230693 is a deficient number, since it is larger than the sum of its proper divisors (809927).

3974230693 is an equidigital number, since it uses as much as digits as its factorization.

3974230693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809926.

The product of its (nonzero) digits is 734832, while the sum is 46.

The square root of 3974230693 is about 63041.4997680100. The cubic root of 3974230693 is about 1583.9848532555.

The spelling of 3974230693 in words is "three billion, nine hundred seventy-four million, two hundred thirty thousand, six hundred ninety-three".

Divisors: 1 4937 804989 3974230693