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2312140628 = 227198352363
BaseRepresentation
bin1000100111010000…
…0111011101010100
312222010200220200002
42021310013131110
514213402000003
61021233110432
7111203604530
oct21164073524
95863626602
102312140628
11a87163526
125463b8418
132ab036165
1417d10cbc0
15d7ebda88
hex89d07754

2312140628 has 48 divisors (see below), whose sum is σ = 4926405120. Its totient is φ = 927435744.

The previous prime is 2312140547. The next prime is 2312140651. The reversal of 2312140628 is 8260412132.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2312140628.

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, 17975 + ... + 70337.

It is an arithmetic number, because the mean of its divisors is an integer number (102633440).

Almost surely, 22312140628 is an apocalyptic number.

2312140628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2312140628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2463202560).

2312140628 is an abundant number, since it is smaller than the sum of its proper divisors (2614264492).

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

2312140628 is a wasteful number, since it uses less digits than its factorization.

2312140628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52476 (or 52474 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 2312140628 is about 48084.7234368671. The cubic root of 2312140628 is about 1322.3246128504.

The spelling of 2312140628 in words is "two billion, three hundred twelve million, one hundred forty thousand, six hundred twenty-eight".

Divisors: 1 2 4 7 14 19 28 38 76 83 133 166 266 332 532 581 1162 1577 2324 3154 6308 11039 22078 44156 52363 104726 209452 366541 733082 994897 1466164 1989794 3979588 4346129 6964279 8692258 13928558 17384516 27857116 30422903 60845806 82576451 121691612 165152902 330305804 578035157 1156070314 2312140628