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2030031240 = 233516916927
BaseRepresentation
bin111100011111111…
…1101000110001000
312020110212021100020
41320333331012020
513124141444430
6533234340440
7101206660266
oct17077750610
95213767306
102030031240
11951999576
12487a2a720
13264760623
14153875436
15bd345b10
hex78ffd188

2030031240 has 32 divisors (see below), whose sum is σ = 6090094080. Its totient is φ = 541341632.

The previous prime is 2030031209. The next prime is 2030031259. The reversal of 2030031240 is 421300302.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 8458344 + ... + 8458583.

It is an arithmetic number, because the mean of its divisors is an integer number (190315440).

Almost surely, 22030031240 is an apocalyptic number.

2030031240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2030031240 is an abundant number, since it is smaller than the sum of its proper divisors (4060062840).

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

2030031240 is a wasteful number, since it uses less digits than its factorization.

2030031240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16916941 (or 16916937 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2030031240 is about 45055.8679863123. The cubic root of 2030031240 is about 1266.1959121703.

Adding to 2030031240 its reverse (421300302), we get a palindrome (2451331542).

The spelling of 2030031240 in words is "two billion, thirty million, thirty-one thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 16916927 33833854 50750781 67667708 84584635 101501562 135335416 169169270 203003124 253753905 338338540 406006248 507507810 676677080 1015015620 2030031240