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3650000421 = 31216666807
BaseRepresentation
bin1101100110001110…
…1001011000100101
3100102101010020021210
43121203221120211
524433400003141
61402104102033
7156310330434
oct33143513045
910371106253
103650000421
11160336a381
1285a464919
13462268782
14268a8711b
1516568b916
hexd98e9625

3650000421 has 4 divisors (see below), whose sum is σ = 4866667232. Its totient is φ = 2433333612.

The previous prime is 3650000413. The next prime is 3650000477. The reversal of 3650000421 is 1240000563.

It is a happy number.

3650000421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is not a de Polignac number, because 3650000421 - 23 = 3650000413 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 (3650000821) 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, 608333401 + ... + 608333406.

It is an arithmetic number, because the mean of its divisors is an integer number (1216666808).

Almost surely, 23650000421 is an apocalyptic number.

It is an amenable number.

3650000421 is a deficient number, since it is larger than the sum of its proper divisors (1216666811).

3650000421 is a wasteful number, since it uses less digits than its factorization.

3650000421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216666810.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3650000421 is about 60415.2333521936. The cubic root of 3650000421 is about 1539.6817834940.

Adding to 3650000421 its reverse (1240000563), we get a palindrome (4890000984).

The spelling of 3650000421 in words is "three billion, six hundred fifty million, four hundred twenty-one", and thus it is an aban number.

Divisors: 1 3 1216666807 3650000421