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2052309812 = 227711032349
BaseRepresentation
bin111101001010011…
…1100001100110100
312022000210010210112
41322110330030310
513200342403222
6535352042152
7101600226350
oct17224741464
95260703715
102052309812
11963525813
12493393358
13269260c07
141567d4460
15c0296be2
hex7a53c334

2052309812 has 24 divisors (see below), whose sum is σ = 4162435200. Its totient is φ = 867172320.

The previous prime is 2052309811. The next prime is 2052309839. The reversal of 2052309812 is 2189032502.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052309811) 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, 514187 + ... + 518162.

It is an arithmetic number, because the mean of its divisors is an integer number (173434800).

Almost surely, 22052309812 is an apocalyptic number.

It is an amenable number.

2052309812 is an abundant number, since it is smaller than the sum of its proper divisors (2110125388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2052309812 is a wasteful number, since it uses less digits than its factorization.

2052309812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032431 (or 1032429 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2052309812 is about 45302.4261160481. The cubic root of 2052309812 is about 1270.8110247374.

The spelling of 2052309812 in words is "two billion, fifty-two million, three hundred nine thousand, eight hundred twelve".

Divisors: 1 2 4 7 14 28 71 142 284 497 994 1988 1032349 2064698 4129396 7226443 14452886 28905772 73296779 146593558 293187116 513077453 1026154906 2052309812