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2052345140 = 225102617257
BaseRepresentation
bin111101001010100…
…0100110100110100
312022000211221020222
41322111010310310
513200400021030
6535352513512
7101600434346
oct17225046464
95260757228
102052345140
1196354a30a
124933ab898
13269274011
14156803296
15c02a23e5
hex7a544d34

2052345140 has 12 divisors (see below), whose sum is σ = 4309924836. Its totient is φ = 820938048.

The previous prime is 2052345137. The next prime is 2052345157. The reversal of 2052345140 is 415432502.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 399760036 + 1652585104 = 19994^2 + 40652^2 .

It is a congruent number.

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, 51308609 + ... + 51308648.

It is an arithmetic number, because the mean of its divisors is an integer number (359160403).

Almost surely, 22052345140 is an apocalyptic number.

2052345140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2052345140 is an abundant number, since it is smaller than the sum of its proper divisors (2257579696).

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

2052345140 is a wasteful number, since it uses less digits than its factorization.

2052345140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102617266 (or 102617264 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2052345140 is about 45302.8160272626. The cubic root of 2052345140 is about 1270.8183165140.

Adding to 2052345140 its reverse (415432502), we get a palindrome (2467777642).

The spelling of 2052345140 in words is "two billion, fifty-two million, three hundred forty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 102617257 205234514 410469028 513086285 1026172570 2052345140