Search a number
-
+
2275720392 = 2331167128659
BaseRepresentation
bin1000011110100100…
…1011110011001000
312212121011120111110
42013221023303020
514130041023032
61013452330320
7110252206221
oct20751136310
95777146443
102275720392
11a68648460
125361739a0
132a3623b1a
1417834c248
15d4bc77cc
hex87a4bcc8

2275720392 has 64 divisors (see below), whose sum is σ = 6299193600. Its totient is φ = 679314240.

The previous prime is 2275720387. The next prime is 2275720411. The reversal of 2275720392 is 2930275722.

It is a self number, because there is not a number n which added to its sum of digits gives 2275720392.

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, 46642 + ... + 82017.

It is an arithmetic number, because the mean of its divisors is an integer number (98424900).

Almost surely, 22275720392 is an apocalyptic number.

2275720392 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2275720392 is an abundant number, since it is smaller than the sum of its proper divisors (4023473208).

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

2275720392 is a wasteful number, since it uses less digits than its factorization.

2275720392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128746 (or 128742 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 2275720392 is about 47704.5112332157. The cubic root of 2275720392 is about 1315.3448650451.

The spelling of 2275720392 in words is "two billion, two hundred seventy-five million, seven hundred twenty thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 67 88 132 134 201 264 268 402 536 737 804 1474 1608 2211 2948 4422 5896 8844 17688 128659 257318 385977 514636 771954 1029272 1415249 1543908 2830498 3087816 4245747 5660996 8491494 8620153 11321992 16982988 17240306 25860459 33965976 34480612 51720918 68961224 94821683 103441836 189643366 206883672 284465049 379286732 568930098 758573464 1137860196 2275720392