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1030312136 = 23783921929
BaseRepresentation
bin111101011010010…
…101000011001000
32122210201021112202
4331122111003020
54102224442021
6250123055332
734350336320
oct7532250310
92583637482
101030312136
11489647837
12249071548
131355c1269
149ab9c280
15606bca0b
hex3d6950c8

1030312136 has 32 divisors (see below), whose sum is σ = 2210544000. Its totient is φ = 441015936.

The previous prime is 1030312111. The next prime is 1030312139. The reversal of 1030312136 is 6312130301.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1030312139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36020 + ... + 57948.

It is an arithmetic number, because the mean of its divisors is an integer number (69079500).

Almost surely, 21030312136 is an apocalyptic number.

It is an amenable number.

1030312136 is an abundant number, since it is smaller than the sum of its proper divisors (1180231864).

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

1030312136 is a wasteful number, since it uses less digits than its factorization.

1030312136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22781 (or 22777 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1030312136 is about 32098.4756024332. The cubic root of 1030312136 is about 1010.0036388458.

Adding to 1030312136 its reverse (6312130301), we get a palindrome (7342442437).

The spelling of 1030312136 in words is "one billion, thirty million, three hundred twelve thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 56 839 1678 3356 5873 6712 11746 21929 23492 43858 46984 87716 153503 175432 307006 614012 1228024 18398431 36796862 73593724 128789017 147187448 257578034 515156068 1030312136