Search a number
-
+
1033452381 = 313294911861
BaseRepresentation
bin111101100110010…
…011101101011101
32200000121211011010
4331212103231131
54104030434011
6250314245433
734416125463
oct7546235535
92600554133
101033452381
114903a2085
1224a126879
131361506b0
149b378833
1560add1a6
hex3d993b5d

1033452381 has 32 divisors (see below), whose sum is σ = 1539054720. Its totient is φ = 612460800.

The previous prime is 1033452379. The next prime is 1033452397. The reversal of 1033452381 is 1832543301.

It is not a de Polignac number, because 1033452381 - 21 = 1033452379 is a prime.

It is a super-2 number, since 2×10334523812 = 2136047647589138322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1033452311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 554391 + ... + 556251.

It is an arithmetic number, because the mean of its divisors is an integer number (48095460).

Almost surely, 21033452381 is an apocalyptic number.

It is an amenable number.

1033452381 is a deficient number, since it is larger than the sum of its proper divisors (505602339).

1033452381 is a wasteful number, since it uses less digits than its factorization.

1033452381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1033452381 is about 32147.3541835094. The cubic root of 1033452381 is about 1011.0287139844.

Adding to 1033452381 its reverse (1832543301), we get a palindrome (2865995682).

The spelling of 1033452381 in words is "one billion, thirty-three million, four hundred fifty-two thousand, three hundred eighty-one".

Divisors: 1 3 13 29 39 87 377 491 1131 1473 1861 5583 6383 14239 19149 24193 42717 53969 72579 161907 185107 555321 701597 913751 2104791 2741253 11878763 26498779 35636289 79496337 344484127 1033452381