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2530300340 = 225317399101
BaseRepresentation
bin1001011011010001…
…0101000110110100
320112100012120112102
42112310111012310
520140224102330
61055025041232
7116463124631
oct22664250664
96470176472
102530300340
11108931a107
125a7486218
133142ab049
141a009b188
15ec213945
hex96d151b4

2530300340 has 24 divisors (see below), whose sum is σ = 5330406312. Its totient is φ = 1008924800.

The previous prime is 2530300337. The next prime is 2530300351. The reversal of 2530300340 is 430030352.

It can be written as a sum of positive squares in 4 ways, for example, as 229946896 + 2300353444 = 15164^2 + 47962^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193211 + ... + 205890.

It is an arithmetic number, because the mean of its divisors is an integer number (222100263).

Almost surely, 22530300340 is an apocalyptic number.

2530300340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2530300340 is an abundant number, since it is smaller than the sum of its proper divisors (2800105972).

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

2530300340 is a wasteful number, since it uses less digits than its factorization.

2530300340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399427 (or 399425 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 2530300340 is about 50302.0908114166. The cubic root of 2530300340 is about 1362.6699890593.

Adding to 2530300340 its reverse (430030352), we get a palindrome (2960330692).

The spelling of 2530300340 in words is "two billion, five hundred thirty million, three hundred thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 317 634 1268 1585 3170 6340 399101 798202 1596404 1995505 3991010 7982020 126515017 253030034 506060068 632575085 1265150170 2530300340