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1029311452 = 2213139914149
BaseRepresentation
bin111101010110100…
…000101111011100
32122201211102212101
4331112200233130
54102000431302
6250045414444
734336001011
oct7526405734
92581742771
101029311452
11489023a24
1224886a424
13135330940
149a9bb708
1560571287
hex3d5a0bdc

1029311452 has 24 divisors (see below), whose sum is σ = 1941380000. Its totient is φ = 474693696.

The previous prime is 1029311449. The next prime is 1029311467. The reversal of 1029311452 is 2541139201.

It is a self number, because there is not a number n which added to its sum of digits gives 1029311452.

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 7 ways as a sum of consecutive naturals, for example, 65674 + ... + 79822.

Almost surely, 21029311452 is an apocalyptic number.

It is an amenable number.

1029311452 is a deficient number, since it is larger than the sum of its proper divisors (912068548).

1029311452 is a wasteful number, since it uses less digits than its factorization.

1029311452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15565 (or 15563 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1029311452 is about 32082.8840972878. The cubic root of 1029311452 is about 1009.6765464263.

It can be divided in two parts, 1029 and 311452, that added together give a square (312481 = 5592).

The spelling of 1029311452 in words is "one billion, twenty-nine million, three hundred eleven thousand, four hundred fifty-two".

Divisors: 1 2 4 13 26 52 1399 2798 5596 14149 18187 28298 36374 56596 72748 183937 367874 735748 19794451 39588902 79177804 257327863 514655726 1029311452