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1030255140 = 223534574967
BaseRepresentation
bin111101011010000…
…111001000100100
32122210121101100210
4331122013020210
54102221131030
6250121535420
734350011205
oct7532071044
92583541323
101030255140
11489608a32
12249044570
131355a1335
149ab855ac
15606aabb0
hex3d687224

1030255140 has 48 divisors (see below), whose sum is σ = 2886129792. Its totient is φ = 274599936.

The previous prime is 1030255129. The next prime is 1030255153. The reversal of 1030255140 is 415520301.

It is a super-2 number, since 2×10302551402 = 2122851306992839200, which contains 22 as substring.

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, 204937 + ... + 209903.

It is an arithmetic number, because the mean of its divisors is an integer number (60127704).

Almost surely, 21030255140 is an apocalyptic number.

1030255140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030255140 is an abundant number, since it is smaller than the sum of its proper divisors (1855874652).

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

1030255140 is a wasteful number, since it uses less digits than its factorization.

1030255140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8436 (or 8434 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1030255140 is about 32097.5877598302. The cubic root of 1030255140 is about 1009.9850143187.

Adding to 1030255140 its reverse (415520301), we get a palindrome (1445775441).

The spelling of 1030255140 in words is "one billion, thirty million, two hundred fifty-five thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3457 4967 6914 9934 10371 13828 14901 17285 19868 20742 24835 29802 34570 41484 49670 51855 59604 69140 74505 99340 103710 149010 207420 298020 17170919 34341838 51512757 68683676 85854595 103025514 171709190 206051028 257563785 343418380 515127570 1030255140