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4107215405 = 51949421469
BaseRepresentation
bin1111010011001111…
…0010001000101101
3101121020110011100002
43310303302020231
531402421343110
61515315514045
7203531516636
oct36463621055
911536404302
104107215405
1118184637a7
129675b8925
13505bc0497
142ad6a288d
151908a2aa5
hexf4cf222d

4107215405 has 8 divisors (see below), whose sum is σ = 4931199000. Its totient is φ = 3284078656.

The previous prime is 4107215401. The next prime is 4107215429. The reversal of 4107215405 is 5045127014.

It can be written as a sum of positive squares in 4 ways, for example, as 494484169 + 3612731236 = 22237^2 + 60106^2 .

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 4107215405 - 22 = 4107215401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4107215401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200990 + ... + 220479.

It is an arithmetic number, because the mean of its divisors is an integer number (616399875).

Almost surely, 24107215405 is an apocalyptic number.

It is an amenable number.

4107215405 is a deficient number, since it is larger than the sum of its proper divisors (823983595).

4107215405 is a wasteful number, since it uses less digits than its factorization.

4107215405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423423.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 4107215405 is about 64087.5604544283. The cubic root of 4107215405 is about 1601.4590083475.

The spelling of 4107215405 in words is "four billion, one hundred seven million, two hundred fifteen thousand, four hundred five".

Divisors: 1 5 1949 9745 421469 2107345 821443081 4107215405