Search a number
-
+
2440254390 = 235721660037
BaseRepresentation
bin1001000101110011…
…0101001110110110
320022001202202201020
42101130311032312
514444201120030
61042051042010
7114320551200
oct22134651666
96261682636
102440254390
111042507272
125812a0306
132cb741212
1419213b770
15e4378510
hex917353b6

2440254390 has 48 divisors (see below), whose sum is σ = 6812795952. Its totient is φ = 557772096.

The previous prime is 2440254389. The next prime is 2440254449. The reversal of 2440254390 is 934520442.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 828549 + ... + 831488.

It is an arithmetic number, because the mean of its divisors is an integer number (141933249).

Almost surely, 22440254390 is an apocalyptic number.

2440254390 is an abundant number, since it is smaller than the sum of its proper divisors (4372541562).

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

2440254390 is a wasteful number, since it uses less digits than its factorization.

2440254390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660061 (or 1660054 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 2440254390 is about 49398.9310613094. The cubic root of 2440254390 is about 1346.3098841482.

The spelling of 2440254390 in words is "two billion, four hundred forty million, two hundred fifty-four thousand, three hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 490 735 1470 1660037 3320074 4980111 8300185 9960222 11620259 16600370 23240518 24900555 34860777 49801110 58101295 69721554 81341813 116202590 162683626 174303885 244025439 348607770 406709065 488050878 813418130 1220127195 2440254390