Search a number
-
+
1025246313 = 327131251827
BaseRepresentation
bin111101000111000…
…000010001101001
32122110011220112200
4331013000101221
54044430340223
6245422330413
734256310210
oct7507002151
92573156480
101025246313
114867a7803
12247429a09
13134539530
149a240077
156001ba43
hex3d1c0469

1025246313 has 24 divisors (see below), whose sum is σ = 1822661568. Its totient is φ = 540788832.

The previous prime is 1025246311. The next prime is 1025246317. The reversal of 1025246313 is 3136425201.

1025246313 is a `hidden beast` number, since 1 + 0 + 2 + 5 + 24 + 631 + 3 = 666.

It is not a de Polignac number, because 1025246313 - 21 = 1025246311 is a prime.

It is a super-2 number, since 2×10252463132 = 2102260004640187938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1025246311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 625095 + ... + 626732.

It is an arithmetic number, because the mean of its divisors is an integer number (75944232).

Almost surely, 21025246313 is an apocalyptic number.

1025246313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1025246313 is a deficient number, since it is larger than the sum of its proper divisors (797415255).

1025246313 is a wasteful number, since it uses less digits than its factorization.

1025246313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251853 (or 1251850 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1025246313 is about 32019.4677188738. The cubic root of 1025246313 is about 1008.3455949575.

It can be divided in two parts, 10252 and 46313, that added together give a palindrome (56565).

The spelling of 1025246313 in words is "one billion, twenty-five million, two hundred forty-six thousand, three hundred thirteen".

Divisors: 1 3 7 9 13 21 39 63 91 117 273 819 1251827 3755481 8762789 11266443 16273751 26288367 48821253 78865101 113916257 146463759 341748771 1025246313