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2052305669 = 2970769161
BaseRepresentation
bin111101001010011…
…1011001100000101
312022000202221010002
41322110323030011
513200342240134
6535352011045
7101600211311
oct17224731405
95260687102
102052305669
11963522697
12493390a85
1326925c06b
141567d2b41
15c029587e
hex7a53b305

2052305669 has 4 divisors (see below), whose sum is σ = 2123074860. Its totient is φ = 1981536480.

The previous prime is 2052305657. The next prime is 2052305693. The reversal of 2052305669 is 9665032502.

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 1434136900 + 618168769 = 37870^2 + 24863^2 .

It is a cyclic number.

It is not a de Polignac number, because 2052305669 - 228 = 1783870213 is a prime.

It is a super-2 number, since 2×20523056692 = 8423917118019075122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052305069) 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, 35384552 + ... + 35384609.

It is an arithmetic number, because the mean of its divisors is an integer number (530768715).

Almost surely, 22052305669 is an apocalyptic number.

2052305669 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2052305669 is a deficient number, since it is larger than the sum of its proper divisors (70769191).

2052305669 is an equidigital number, since it uses as much as digits as its factorization.

2052305669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70769190.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 2052305669 is about 45302.3803899972. The cubic root of 2052305669 is about 1270.8101696076.

The spelling of 2052305669 in words is "two billion, fifty-two million, three hundred five thousand, six hundred sixty-nine".

Divisors: 1 29 70769161 2052305669