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3540421423 = 71145979499
BaseRepresentation
bin1101001100000110…
…1000101100101111
3100010201221001011101
43103001220230233
524222321441143
61343151303531
7153510041230
oct32301505457
910121831141
103540421423
111557526020
1282981aba7
1344564cc26
142582c1087
1515ac43b4d
hexd3068b2f

3540421423 has 8 divisors (see below), whose sum is σ = 4414032000. Its totient is φ = 2758769880.

The previous prime is 3540421387. The next prime is 3540421427. The reversal of 3540421423 is 3241240453.

It is a happy number.

3540421423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3540421423 - 221 = 3538324271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3540421391 and 3540421400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540421427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22989673 + ... + 22989826.

It is an arithmetic number, because the mean of its divisors is an integer number (551754000).

Almost surely, 23540421423 is an apocalyptic number.

3540421423 is a deficient number, since it is larger than the sum of its proper divisors (873610577).

3540421423 is a wasteful number, since it uses less digits than its factorization.

3540421423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45979517.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 3540421423 is about 59501.4405119742. The cubic root of 3540421423 is about 1524.1170448049.

Adding to 3540421423 its reverse (3241240453), we get a palindrome (6781661876).

The spelling of 3540421423 in words is "three billion, five hundred forty million, four hundred twenty-one thousand, four hundred twenty-three".

Divisors: 1 7 11 77 45979499 321856493 505774489 3540421423