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2090786724 = 22321367131509
BaseRepresentation
bin111110010011110…
…1101111110100100
312101201011222012100
41330213231332210
513240220133344
6543244452100
7102545252055
oct17447557644
95351158170
102090786724
11983216014
124a424a030
13274213410
1415b96c72c
15c3847569
hex7c9edfa4

2090786724 has 144 divisors (see below), whose sum is σ = 5832066240. Its totient is φ = 627644160.

The previous prime is 2090786707. The next prime is 2090786743. The reversal of 2090786724 is 4276870902.

It is a self number, because there is not a number n which added to its sum of digits gives 2090786724.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4107382 + ... + 4107890.

It is an arithmetic number, because the mean of its divisors is an integer number (40500460).

Almost surely, 22090786724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2090786724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2916033120).

2090786724 is an abundant number, since it is smaller than the sum of its proper divisors (3741279516).

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

2090786724 is a wasteful number, since it uses less digits than its factorization.

2090786724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 2090786724 is about 45725.1213667061. The cubic root of 2090786724 is about 1278.7036688551.

The spelling of 2090786724 in words is "two billion, ninety million, seven hundred eighty-six thousand, seven hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 67 78 117 131 134 156 201 234 262 268 393 402 468 509 524 603 786 804 871 1018 1179 1206 1527 1572 1703 1742 2036 2358 2412 2613 3054 3406 3484 4581 4716 5109 5226 6108 6617 6812 7839 8777 9162 10218 10452 13234 15327 15678 17554 18324 19851 20436 26331 26468 30654 31356 34103 35108 39702 52662 59553 61308 66679 68206 78993 79404 102309 105324 114101 119106 133358 136412 157986 200037 204618 228202 238212 266716 306927 315972 342303 400074 409236 443339 456404 600111 613854 684606 800148 866827 886678 1026909 1200222 1227708 1330017 1369212 1733654 1773356 2053818 2400444 2600481 2660034 3467308 3990051 4107636 4467493 5200962 5320068 7801443 7980102 8934986 10401924 13402479 15602886 15960204 17869972 26804958 31205772 40207437 53609916 58077409 80414874 116154818 160829748 174232227 232309636 348464454 522696681 696928908 1045393362 2090786724