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2052345540 = 223574886537
BaseRepresentation
bin111101001010100…
…0100111011000100
312022000211221210210
41322111010323010
513200400024130
6535352515420
7101600435460
oct17225047304
95260757723
102052345540
1196354a643
124933abb70
1326927425b
141568034a0
15c02a25b0
hex7a544ec4

2052345540 has 48 divisors (see below), whose sum is σ = 6567507072. Its totient is φ = 469107456.

The previous prime is 2052345523. The next prime is 2052345571. The reversal of 2052345540 is 455432502.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2052345498 and 2052345507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2442849 + ... + 2443688.

It is an arithmetic number, because the mean of its divisors is an integer number (136823064).

Almost surely, 22052345540 is an apocalyptic number.

2052345540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2052345540 is an abundant number, since it is smaller than the sum of its proper divisors (4515161532).

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

2052345540 is a wasteful number, since it uses less digits than its factorization.

2052345540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4886556 (or 4886554 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 2052345540 is about 45302.8204419990. The cubic root of 2052345540 is about 1270.8183990744.

The spelling of 2052345540 in words is "two billion, fifty-two million, three hundred forty-five thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 4886537 9773074 14659611 19546148 24432685 29319222 34205759 48865370 58638444 68411518 73298055 97730740 102617277 136823036 146596110 171028795 205234554 293192220 342057590 410469108 513086385 684115180 1026172770 2052345540