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1070729252 = 22733666881
BaseRepresentation
bin111111110100100…
…000100000100100
32202121202200101222
4333310200200210
54143101314002
6254125235512
735351022425
oct7764404044
92677680358
101070729252
114aa44280a
1225a702b98
13140aa2908
14a22bd64c
15640031a2
hex3fd20824

1070729252 has 12 divisors (see below), whose sum is σ = 1899444876. Its totient is φ = 528030720.

The previous prime is 1070729237. The next prime is 1070729311. The reversal of 1070729252 is 2529270701.

It can be written as a sum of positive squares in 2 ways, for example, as 288184576 + 782544676 = 16976^2 + 27974^2 .

It is a super-2 number, since 2×10707292522 = 2292922262176959008, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1833149 + ... + 1833732.

It is an arithmetic number, because the mean of its divisors is an integer number (158287073).

Almost surely, 21070729252 is an apocalyptic number.

It is an amenable number.

1070729252 is a deficient number, since it is larger than the sum of its proper divisors (828715624).

1070729252 is a wasteful number, since it uses less digits than its factorization.

1070729252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666958 (or 3666956 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 1070729252 is about 32721.9995110323. Note that the first 3 decimals coincide. The cubic root of 1070729252 is about 1023.0414321156.

Adding to 1070729252 its reverse (2529270701), we get a palindrome (3599999953).

The spelling of 1070729252 in words is "one billion, seventy million, seven hundred twenty-nine thousand, two hundred fifty-two".

Divisors: 1 2 4 73 146 292 3666881 7333762 14667524 267682313 535364626 1070729252