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2030503540 = 2251310217649
BaseRepresentation
bin111100100000111…
…0000011001110100
312020111202021012211
41321001300121310
513124302103130
6533252423204
7101213665252
oct17101603164
95214667184
102030503540
119521913aa
12488017b04
132648975b0
141539595d2
15bd3daa2a
hex79070674

2030503540 has 48 divisors (see below), whose sum is σ = 4597160400. Its totient is φ = 748892160.

The previous prime is 2030503529. The next prime is 2030503561. The reversal of 2030503540 is 453050302.

It can be written as a sum of positive squares in 8 ways, for example, as 488056464 + 1542447076 = 22092^2 + 39274^2 .

It is a congruent number.

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, 261636 + ... + 269284.

It is an arithmetic number, because the mean of its divisors is an integer number (95774175).

Almost surely, 22030503540 is an apocalyptic number.

2030503540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2030503540 is an abundant number, since it is smaller than the sum of its proper divisors (2566656860).

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

2030503540 is a wasteful number, since it uses less digits than its factorization.

2030503540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8692 (or 8690 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 2030503540 is about 45061.1089521774. The cubic root of 2030503540 is about 1266.2941008000.

Adding to 2030503540 its reverse (453050302), we get a palindrome (2483553842).

The spelling of 2030503540 in words is "two billion, thirty million, five hundred three thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1021 2042 4084 5105 7649 10210 13273 15298 20420 26546 30596 38245 53092 66365 76490 99437 132730 152980 198874 265460 397748 497185 994370 1988740 7809629 15619258 31238516 39048145 78096290 101525177 156192580 203050354 406100708 507625885 1015251770 2030503540