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2052453220 = 225102622661
BaseRepresentation
bin111101001010101…
…1111001101100100
312022001001102111221
41322111133031210
513200412000340
6535355110124
7101601364426
oct17225371544
95261042457
102052453220
11963613534
12493442344
132692b127c
14156830816
15c02c444a
hex7a55f364

2052453220 has 12 divisors (see below), whose sum is σ = 4310151804. Its totient is φ = 820981280.

The previous prime is 2052453217. The next prime is 2052453257. The reversal of 2052453220 is 223542502.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 328044544 + 1724408676 = 18112^2 + 41526^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51311311 + ... + 51311350.

It is an arithmetic number, because the mean of its divisors is an integer number (359179317).

Almost surely, 22052453220 is an apocalyptic number.

2052453220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2052453220 is an abundant number, since it is smaller than the sum of its proper divisors (2257698584).

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

2052453220 is a wasteful number, since it uses less digits than its factorization.

2052453220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102622670 (or 102622668 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2052453220 is about 45304.0088733878. The cubic root of 2052453220 is about 1270.8406239434.

Adding to 2052453220 its reverse (223542502), we get a palindrome (2275995722).

The spelling of 2052453220 in words is "two billion, fifty-two million, four hundred fifty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 102622661 205245322 410490644 513113305 1026226610 2052453220