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3102440421 = 328318012029
BaseRepresentation
bin1011100011101011…
…0111101111100101
322000012210022011210
42320322313233211
522323211043141
61231504022033
7136611210543
oct27072675745
98005708153
103102440421
111352279453
12727001919
133a59a0a82
14216070d93
1513257b916
hexb8eb7be5

3102440421 has 16 divisors (see below), whose sum is σ = 4155556160. Its totient is φ = 2058825600.

The previous prime is 3102440401. The next prime is 3102440431. The reversal of 3102440421 is 1240442013.

It is not a de Polignac number, because 3102440421 - 25 = 3102440389 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 (3102440401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1528035 + ... + 1530063.

It is an arithmetic number, because the mean of its divisors is an integer number (259722260).

Almost surely, 23102440421 is an apocalyptic number.

It is an amenable number.

3102440421 is a deficient number, since it is larger than the sum of its proper divisors (1053115739).

3102440421 is a wasteful number, since it uses less digits than its factorization.

3102440421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 3102440421 is about 55699.5549443620. The cubic root of 3102440421 is about 1458.4822566726.

Adding to 3102440421 its reverse (1240442013), we get a palindrome (4342882434).

The spelling of 3102440421 in words is "three billion, one hundred two million, four hundred forty thousand, four hundred twenty-one".

Divisors: 1 3 283 849 1801 2029 5403 6087 509683 574207 1529049 1722621 3654229 10962687 1034146807 3102440421